55 lines
2.2 KiB
C
55 lines
2.2 KiB
C
/*
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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 LIBAVCODEC_AACPSDSP_H
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#define LIBAVCODEC_AACPSDSP_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)(float *dst, const float (*src)[2], int n);
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void (*mul_pair_single)(float (*dst)[2], float (*src0)[2], float *src1,
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int n);
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void (*hybrid_analysis)(float (*out)[2], float (*in)[2],
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const float (*filter)[8][2],
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int stride, int n);
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void (*hybrid_analysis_ileave)(float (*out)[32][2], float L[2][38][64],
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int i, int len);
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void (*hybrid_synthesis_deint)(float out[2][38][64], float (*in)[32][2],
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int i, int len);
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void (*decorrelate)(float (*out)[2], float (*delay)[2],
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float (*ap_delay)[PS_QMF_TIME_SLOTS+PS_MAX_AP_DELAY][2],
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const float phi_fract[2], float (*Q_fract)[2],
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const float *transient_gain,
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float g_decay_slope,
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int len);
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void (*stereo_interpolate[2])(float (*l)[2], float (*r)[2],
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float h[2][4], float h_step[2][4],
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int len);
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} PSDSPContext;
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void ff_psdsp_init(PSDSPContext *s);
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void ff_psdsp_init_arm(PSDSPContext *s);
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void ff_psdsp_init_mips(PSDSPContext *s);
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#endif /* LIBAVCODEC_AACPSDSP_H */
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