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56 lines
2.2 KiB
C
56 lines
2.2 KiB
C
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/*
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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_SBRDSP_H
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#define AVCODEC_SBRDSP_H
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#include <stdint.h>
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#include "aac_defines.h"
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#include "libavutil/softfloat.h"
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typedef struct SBRDSPContext {
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void (*sum64x5)(INTFLOAT *z);
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AAC_FLOAT (*sum_square)(INTFLOAT (*x)[2], int n);
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void (*neg_odd_64)(INTFLOAT *x);
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void (*qmf_pre_shuffle)(INTFLOAT *z);
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void (*qmf_post_shuffle)(INTFLOAT W[32][2], const INTFLOAT *z);
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void (*qmf_deint_neg)(INTFLOAT *v, const INTFLOAT *src);
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void (*qmf_deint_bfly)(INTFLOAT *v, const INTFLOAT *src0, const INTFLOAT *src1);
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void (*autocorrelate)(const INTFLOAT x[40][2], AAC_FLOAT phi[3][2][2]);
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void (*hf_gen)(INTFLOAT (*X_high)[2], const INTFLOAT (*X_low)[2],
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const INTFLOAT alpha0[2], const INTFLOAT alpha1[2],
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INTFLOAT bw, int start, int end);
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void (*hf_g_filt)(INTFLOAT (*Y)[2], const INTFLOAT (*X_high)[40][2],
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const AAC_FLOAT *g_filt, int m_max, intptr_t ixh);
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void (*hf_apply_noise[4])(INTFLOAT (*Y)[2], const AAC_FLOAT *s_m,
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const AAC_FLOAT *q_filt, int noise,
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int kx, int m_max);
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} SBRDSPContext;
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extern const INTFLOAT AAC_RENAME(ff_sbr_noise_table)[][2];
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void AAC_RENAME(ff_sbrdsp_init)(SBRDSPContext *s);
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void ff_sbrdsp_init_arm(SBRDSPContext *s);
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void ff_sbrdsp_init_aarch64(SBRDSPContext *s);
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void ff_sbrdsp_init_x86(SBRDSPContext *s);
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void ff_sbrdsp_init_mips(SBRDSPContext *s);
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#endif /* AVCODEC_SBRDSP_H */
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