From bf1945af301aff54c33352e75f17aec6cb5269d7 Mon Sep 17 00:00:00 2001 From: Mans Rullgard Date: Fri, 27 Jan 2012 01:22:55 +0000 Subject: aacps: move some loops to function pointers Signed-off-by: Mans Rullgard --- libavcodec/aacpsdsp.h | 52 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 libavcodec/aacpsdsp.h (limited to 'libavcodec/aacpsdsp.h') diff --git a/libavcodec/aacpsdsp.h b/libavcodec/aacpsdsp.h new file mode 100644 index 0000000000..909d3418f2 --- /dev/null +++ b/libavcodec/aacpsdsp.h @@ -0,0 +1,52 @@ +/* + * 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)[7][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); + +#endif /* LIBAVCODEC_AACPSDSP_H */ -- cgit v1.2.3