2 * Copyright (c) 2012 Mans Rullgard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef AVCODEC_SBRDSP_H
22 #define AVCODEC_SBRDSP_H
25 #include "aac_defines.h"
26 #include "libavutil/softfloat.h"
28 typedef struct SBRDSPContext {
29 void (*sum64x5)(INTFLOAT *z);
30 AAC_FLOAT (*sum_square)(INTFLOAT (*x)[2], int n);
31 void (*neg_odd_64)(INTFLOAT *x);
32 void (*qmf_pre_shuffle)(INTFLOAT *z);
33 void (*qmf_post_shuffle)(INTFLOAT W[32][2], const INTFLOAT *z);
34 void (*qmf_deint_neg)(INTFLOAT *v, const INTFLOAT *src);
35 void (*qmf_deint_bfly)(INTFLOAT *v, const INTFLOAT *src0, const INTFLOAT *src1);
36 void (*autocorrelate)(const INTFLOAT x[40][2], AAC_FLOAT phi[3][2][2]);
37 void (*hf_gen)(INTFLOAT (*X_high)[2], const INTFLOAT (*X_low)[2],
38 const INTFLOAT alpha0[2], const INTFLOAT alpha1[2],
39 INTFLOAT bw, int start, int end);
40 void (*hf_g_filt)(INTFLOAT (*Y)[2], const INTFLOAT (*X_high)[40][2],
41 const AAC_FLOAT *g_filt, int m_max, intptr_t ixh);
42 void (*hf_apply_noise[4])(INTFLOAT (*Y)[2], const AAC_FLOAT *s_m,
43 const AAC_FLOAT *q_filt, int noise,
47 extern const INTFLOAT AAC_RENAME(ff_sbr_noise_table)[][2];
49 void AAC_RENAME(ff_sbrdsp_init)(SBRDSPContext *s);
50 void ff_sbrdsp_init_arm(SBRDSPContext *s);
51 void ff_sbrdsp_init_aarch64(SBRDSPContext *s);
52 void ff_sbrdsp_init_x86(SBRDSPContext *s);
53 void ff_sbrdsp_init_mips(SBRDSPContext *s);
55 #endif /* AVCODEC_SBRDSP_H */