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61 lines
2.4 KiB
C
Executable File
61 lines
2.4 KiB
C
Executable File
/*
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* Copyright (c) 2012 Mans Rullgard
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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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#ifndef AVCODEC_AACPSDSP_H
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#define AVCODEC_AACPSDSP_H
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#include <stddef.h>
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#include "aac_defines.h"
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#define PS_QMF_TIME_SLOTS 32
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#define PS_AP_LINKS 3
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#define PS_MAX_AP_DELAY 5
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typedef struct PSDSPContext {
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void (*add_squares)(INTFLOAT *dst, const INTFLOAT (*src)[2], int n);
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void (*mul_pair_single)(INTFLOAT (*dst)[2], INTFLOAT (*src0)[2], INTFLOAT *src1,
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int n);
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void (*hybrid_analysis)(INTFLOAT (*out)[2], INTFLOAT (*in)[2],
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const INTFLOAT (*filter)[8][2],
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ptrdiff_t stride, int n);
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void (*hybrid_analysis_ileave)(INTFLOAT (*out)[32][2], INTFLOAT L[2][38][64],
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int i, int len);
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void (*hybrid_synthesis_deint)(INTFLOAT out[2][38][64], INTFLOAT (*in)[32][2],
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int i, int len);
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void (*decorrelate)(INTFLOAT (*out)[2], INTFLOAT (*delay)[2],
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INTFLOAT (*ap_delay)[PS_QMF_TIME_SLOTS+PS_MAX_AP_DELAY][2],
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const INTFLOAT phi_fract[2], const INTFLOAT (*Q_fract)[2],
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const INTFLOAT *transient_gain,
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INTFLOAT g_decay_slope,
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int len);
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void (*stereo_interpolate[2])(INTFLOAT (*l)[2], INTFLOAT (*r)[2],
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INTFLOAT h[2][4], INTFLOAT h_step[2][4],
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int len);
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} PSDSPContext;
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void AAC_RENAME(ff_psdsp_init)(PSDSPContext *s);
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void ff_psdsp_init_arm(PSDSPContext *s);
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void ff_psdsp_init_aarch64(PSDSPContext *s);
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void ff_psdsp_init_mips(PSDSPContext *s);
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void ff_psdsp_init_x86(PSDSPContext *s);
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#endif /* AVCODEC_AACPSDSP_H */
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