annotate ffmpeg/libavcodec/aacpsdsp.h @ 13:844d341cf643 tip

Back up before ISMIR
author Yading Song <yading.song@eecs.qmul.ac.uk>
date Thu, 31 Oct 2013 13:17:06 +0000
parents 6840f77b83aa
children
rev   line source
yading@10 1 /*
yading@10 2 * Copyright (c) 2012 Mans Rullgard
yading@10 3 *
yading@10 4 * This file is part of Libav.
yading@10 5 *
yading@10 6 * Libav is free software; you can redistribute it and/or
yading@10 7 * modify it under the terms of the GNU Lesser General Public
yading@10 8 * License as published by the Free Software Foundation; either
yading@10 9 * version 2.1 of the License, or (at your option) any later version.
yading@10 10 *
yading@10 11 * Libav is distributed in the hope that it will be useful,
yading@10 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
yading@10 14 * Lesser General Public License for more details.
yading@10 15 *
yading@10 16 * You should have received a copy of the GNU Lesser General Public
yading@10 17 * License along with Libav; if not, write to the Free Software
yading@10 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10 19 */
yading@10 20
yading@10 21 #ifndef LIBAVCODEC_AACPSDSP_H
yading@10 22 #define LIBAVCODEC_AACPSDSP_H
yading@10 23
yading@10 24 #define PS_QMF_TIME_SLOTS 32
yading@10 25 #define PS_AP_LINKS 3
yading@10 26 #define PS_MAX_AP_DELAY 5
yading@10 27
yading@10 28 typedef struct PSDSPContext {
yading@10 29 void (*add_squares)(float *dst, const float (*src)[2], int n);
yading@10 30 void (*mul_pair_single)(float (*dst)[2], float (*src0)[2], float *src1,
yading@10 31 int n);
yading@10 32 void (*hybrid_analysis)(float (*out)[2], float (*in)[2],
yading@10 33 const float (*filter)[8][2],
yading@10 34 int stride, int n);
yading@10 35 void (*hybrid_analysis_ileave)(float (*out)[32][2], float L[2][38][64],
yading@10 36 int i, int len);
yading@10 37 void (*hybrid_synthesis_deint)(float out[2][38][64], float (*in)[32][2],
yading@10 38 int i, int len);
yading@10 39 void (*decorrelate)(float (*out)[2], float (*delay)[2],
yading@10 40 float (*ap_delay)[PS_QMF_TIME_SLOTS+PS_MAX_AP_DELAY][2],
yading@10 41 const float phi_fract[2], float (*Q_fract)[2],
yading@10 42 const float *transient_gain,
yading@10 43 float g_decay_slope,
yading@10 44 int len);
yading@10 45 void (*stereo_interpolate[2])(float (*l)[2], float (*r)[2],
yading@10 46 float h[2][4], float h_step[2][4],
yading@10 47 int len);
yading@10 48 } PSDSPContext;
yading@10 49
yading@10 50 void ff_psdsp_init(PSDSPContext *s);
yading@10 51 void ff_psdsp_init_arm(PSDSPContext *s);
yading@10 52 void ff_psdsp_init_mips(PSDSPContext *s);
yading@10 53
yading@10 54 #endif /* LIBAVCODEC_AACPSDSP_H */