mirror of
https://github.com/xenia-project/FFmpeg.git
synced 2024-11-24 03:59:43 +00:00
54 lines
2.2 KiB
C
54 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2012 Mans Rullgard
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* Libav is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef LIBAVCODEC_AACPSDSP_H
|
|
#define LIBAVCODEC_AACPSDSP_H
|
|
|
|
#define PS_QMF_TIME_SLOTS 32
|
|
#define PS_AP_LINKS 3
|
|
#define PS_MAX_AP_DELAY 5
|
|
|
|
typedef struct PSDSPContext {
|
|
void (*add_squares)(float *dst, const float (*src)[2], int n);
|
|
void (*mul_pair_single)(float (*dst)[2], float (*src0)[2], float *src1,
|
|
int n);
|
|
void (*hybrid_analysis)(float (*out)[2], float (*in)[2],
|
|
const float (*filter)[8][2],
|
|
int stride, int n);
|
|
void (*hybrid_analysis_ileave)(float (*out)[32][2], float L[2][38][64],
|
|
int i, int len);
|
|
void (*hybrid_synthesis_deint)(float out[2][38][64], float (*in)[32][2],
|
|
int i, int len);
|
|
void (*decorrelate)(float (*out)[2], float (*delay)[2],
|
|
float (*ap_delay)[PS_QMF_TIME_SLOTS+PS_MAX_AP_DELAY][2],
|
|
const float phi_fract[2], float (*Q_fract)[2],
|
|
const float *transient_gain,
|
|
float g_decay_slope,
|
|
int len);
|
|
void (*stereo_interpolate[2])(float (*l)[2], float (*r)[2],
|
|
float h[2][4], float h_step[2][4],
|
|
int len);
|
|
} PSDSPContext;
|
|
|
|
void ff_psdsp_init(PSDSPContext *s);
|
|
void ff_psdsp_init_arm(PSDSPContext *s);
|
|
|
|
#endif /* LIBAVCODEC_AACPSDSP_H */
|