1/* 2 * Copyright (c) 2012 3 * MIPS Technologies, Inc., California. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its 14 * contributors may be used to endorse or promote products derived from 15 * this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * Author: Bojan Zivkovic (bojan@mips.com) 30 * 31 * AAC encoder psychoacoustic model routines optimized 32 * for MIPS floating-point architecture 33 * 34 * This file is part of FFmpeg. 35 * 36 * FFmpeg is free software; you can redistribute it and/or 37 * modify it under the terms of the GNU Lesser General Public 38 * License as published by the Free Software Foundation; either 39 * version 2.1 of the License, or (at your option) any later version. 40 * 41 * FFmpeg is distributed in the hope that it will be useful, 42 * but WITHOUT ANY WARRANTY; without even the implied warranty of 43 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 44 * Lesser General Public License for more details. 45 * 46 * You should have received a copy of the GNU Lesser General Public 47 * License along with FFmpeg; if not, write to the Free Software 48 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 49 */ 50 51/** 52 * @file 53 * Reference: libavcodec/aacpsy.c 54 */ 55 56#ifndef AVCODEC_MIPS_AACPSY_MIPS_H 57#define AVCODEC_MIPS_AACPSY_MIPS_H 58 59#include "libavutil/mips/asmdefs.h" 60 61#if HAVE_INLINE_ASM && HAVE_MIPSFPU && ( PSY_LAME_FIR_LEN == 21 ) 62#if !HAVE_MIPS32R6 && !HAVE_MIPS64R6 63static void calc_thr_3gpp_mips(const FFPsyWindowInfo *wi, const int num_bands, 64 AacPsyChannel *pch, const uint8_t *band_sizes, 65 const float *coefs, const int cutoff) 66{ 67 int i, w, g; 68 int start = 0, wstart = 0; 69 for (w = 0; w < wi->num_windows*16; w += 16) { 70 wstart = 0; 71 for (g = 0; g < num_bands; g++) { 72 AacPsyBand *band = &pch->band[w+g]; 73 74 float form_factor = 0.0f; 75 float Temp; 76 band->energy = 0.0f; 77 if (wstart < cutoff) { 78 for (i = 0; i < band_sizes[g]; i+=4) { 79 float a, b, c, d; 80 float ax, bx, cx, dx; 81 float *cf = (float *)&coefs[start+i]; 82 83 __asm__ volatile ( 84 "lwc1 %[a], 0(%[cf]) \n\t" 85 "lwc1 %[b], 4(%[cf]) \n\t" 86 "lwc1 %[c], 8(%[cf]) \n\t" 87 "lwc1 %[d], 12(%[cf]) \n\t" 88 "abs.s %[a], %[a] \n\t" 89 "abs.s %[b], %[b] \n\t" 90 "abs.s %[c], %[c] \n\t" 91 "abs.s %[d], %[d] \n\t" 92 "sqrt.s %[ax], %[a] \n\t" 93 "sqrt.s %[bx], %[b] \n\t" 94 "sqrt.s %[cx], %[c] \n\t" 95 "sqrt.s %[dx], %[d] \n\t" 96 "madd.s %[e], %[e], %[a], %[a] \n\t" 97 "madd.s %[e], %[e], %[b], %[b] \n\t" 98 "madd.s %[e], %[e], %[c], %[c] \n\t" 99 "madd.s %[e], %[e], %[d], %[d] \n\t" 100 "add.s %[f], %[f], %[ax] \n\t" 101 "add.s %[f], %[f], %[bx] \n\t" 102 "add.s %[f], %[f], %[cx] \n\t" 103 "add.s %[f], %[f], %[dx] \n\t" 104 105 : [a]"=&f"(a), [b]"=&f"(b), 106 [c]"=&f"(c), [d]"=&f"(d), 107 [e]"+f"(band->energy), [f]"+f"(form_factor), 108 [ax]"=&f"(ax), [bx]"=&f"(bx), 109 [cx]"=&f"(cx), [dx]"=&f"(dx) 110 : [cf]"r"(cf) 111 : "memory" 112 ); 113 } 114 } 115 116 Temp = sqrtf((float)band_sizes[g] / band->energy); 117 band->thr = band->energy * 0.001258925f; 118 band->nz_lines = form_factor * sqrtf(Temp); 119 start += band_sizes[g]; 120 wstart += band_sizes[g]; 121 } 122 } 123} 124 125static void psy_hp_filter_mips(const float *firbuf, float *hpfsmpl, const float * psy_fir_coeffs) 126{ 127 float sum1, sum2, sum3, sum4; 128 float *fb = (float*)firbuf; 129 float *fb_end = fb + AAC_BLOCK_SIZE_LONG; 130 float *hp = hpfsmpl; 131 132 float coeff0 = psy_fir_coeffs[1]; 133 float coeff1 = psy_fir_coeffs[3]; 134 float coeff2 = psy_fir_coeffs[5]; 135 float coeff3 = psy_fir_coeffs[7]; 136 float coeff4 = psy_fir_coeffs[9]; 137 138 float f1 = 32768.0; 139 __asm__ volatile ( 140 ".set push \n\t" 141 ".set noreorder \n\t" 142 143 "1: \n\t" 144 "lwc1 $f0, 40(%[fb]) \n\t" 145 "lwc1 $f1, 4(%[fb]) \n\t" 146 "lwc1 $f2, 80(%[fb]) \n\t" 147 "lwc1 $f3, 44(%[fb]) \n\t" 148 "lwc1 $f4, 8(%[fb]) \n\t" 149 "madd.s %[sum1], $f0, $f1, %[coeff0] \n\t" 150 "lwc1 $f5, 84(%[fb]) \n\t" 151 "lwc1 $f6, 48(%[fb]) \n\t" 152 "madd.s %[sum2], $f3, $f4, %[coeff0] \n\t" 153 "lwc1 $f7, 12(%[fb]) \n\t" 154 "madd.s %[sum1], %[sum1], $f2, %[coeff0] \n\t" 155 "lwc1 $f8, 88(%[fb]) \n\t" 156 "lwc1 $f9, 52(%[fb]) \n\t" 157 "madd.s %[sum2], %[sum2], $f5, %[coeff0] \n\t" 158 "madd.s %[sum3], $f6, $f7, %[coeff0] \n\t" 159 "lwc1 $f10, 16(%[fb]) \n\t" 160 "lwc1 $f11, 92(%[fb]) \n\t" 161 "madd.s %[sum1], %[sum1], $f7, %[coeff1] \n\t" 162 "lwc1 $f1, 72(%[fb]) \n\t" 163 "madd.s %[sum3], %[sum3], $f8, %[coeff0] \n\t" 164 "madd.s %[sum4], $f9, $f10, %[coeff0] \n\t" 165 "madd.s %[sum2], %[sum2], $f10, %[coeff1] \n\t" 166 "madd.s %[sum1], %[sum1], $f1, %[coeff1] \n\t" 167 "lwc1 $f4, 76(%[fb]) \n\t" 168 "lwc1 $f8, 20(%[fb]) \n\t" 169 "madd.s %[sum4], %[sum4], $f11, %[coeff0] \n\t" 170 "lwc1 $f11, 24(%[fb]) \n\t" 171 "madd.s %[sum2], %[sum2], $f4, %[coeff1] \n\t" 172 "madd.s %[sum1], %[sum1], $f8, %[coeff2] \n\t" 173 "madd.s %[sum3], %[sum3], $f8, %[coeff1] \n\t" 174 "madd.s %[sum4], %[sum4], $f11, %[coeff1] \n\t" 175 "lwc1 $f7, 64(%[fb]) \n\t" 176 "madd.s %[sum2], %[sum2], $f11, %[coeff2] \n\t" 177 "lwc1 $f10, 68(%[fb]) \n\t" 178 "madd.s %[sum3], %[sum3], $f2, %[coeff1] \n\t" 179 "madd.s %[sum4], %[sum4], $f5, %[coeff1] \n\t" 180 "madd.s %[sum1], %[sum1], $f7, %[coeff2] \n\t" 181 "madd.s %[sum2], %[sum2], $f10, %[coeff2] \n\t" 182 "lwc1 $f2, 28(%[fb]) \n\t" 183 "lwc1 $f5, 32(%[fb]) \n\t" 184 "lwc1 $f8, 56(%[fb]) \n\t" 185 "lwc1 $f11, 60(%[fb]) \n\t" 186 "madd.s %[sum3], %[sum3], $f2, %[coeff2] \n\t" 187 "madd.s %[sum4], %[sum4], $f5, %[coeff2] \n\t" 188 "madd.s %[sum1], %[sum1], $f2, %[coeff3] \n\t" 189 "madd.s %[sum2], %[sum2], $f5, %[coeff3] \n\t" 190 "madd.s %[sum3], %[sum3], $f1, %[coeff2] \n\t" 191 "madd.s %[sum4], %[sum4], $f4, %[coeff2] \n\t" 192 "madd.s %[sum1], %[sum1], $f8, %[coeff3] \n\t" 193 "madd.s %[sum2], %[sum2], $f11, %[coeff3] \n\t" 194 "lwc1 $f1, 36(%[fb]) \n\t" 195 PTR_ADDIU "%[fb], %[fb], 16 \n\t" 196 "madd.s %[sum4], %[sum4], $f0, %[coeff3] \n\t" 197 "madd.s %[sum3], %[sum3], $f1, %[coeff3] \n\t" 198 "madd.s %[sum1], %[sum1], $f1, %[coeff4] \n\t" 199 "madd.s %[sum2], %[sum2], $f0, %[coeff4] \n\t" 200 "madd.s %[sum4], %[sum4], $f10, %[coeff3] \n\t" 201 "madd.s %[sum3], %[sum3], $f7, %[coeff3] \n\t" 202 "madd.s %[sum1], %[sum1], $f6, %[coeff4] \n\t" 203 "madd.s %[sum2], %[sum2], $f9, %[coeff4] \n\t" 204 "madd.s %[sum4], %[sum4], $f6, %[coeff4] \n\t" 205 "madd.s %[sum3], %[sum3], $f3, %[coeff4] \n\t" 206 "mul.s %[sum1], %[sum1], %[f1] \n\t" 207 "mul.s %[sum2], %[sum2], %[f1] \n\t" 208 "madd.s %[sum4], %[sum4], $f11, %[coeff4] \n\t" 209 "madd.s %[sum3], %[sum3], $f8, %[coeff4] \n\t" 210 "swc1 %[sum1], 0(%[hp]) \n\t" 211 "swc1 %[sum2], 4(%[hp]) \n\t" 212 "mul.s %[sum4], %[sum4], %[f1] \n\t" 213 "mul.s %[sum3], %[sum3], %[f1] \n\t" 214 "swc1 %[sum4], 12(%[hp]) \n\t" 215 "swc1 %[sum3], 8(%[hp]) \n\t" 216 "bne %[fb], %[fb_end], 1b \n\t" 217 PTR_ADDIU "%[hp], %[hp], 16 \n\t" 218 219 ".set pop \n\t" 220 221 : [sum1]"=&f"(sum1), [sum2]"=&f"(sum2), 222 [sum3]"=&f"(sum3), [sum4]"=&f"(sum4), 223 [fb]"+r"(fb), [hp]"+r"(hp) 224 : [coeff0]"f"(coeff0), [coeff1]"f"(coeff1), 225 [coeff2]"f"(coeff2), [coeff3]"f"(coeff3), 226 [coeff4]"f"(coeff4), [fb_end]"r"(fb_end), [f1]"f"(f1) 227 : "$f0", "$f1", "$f2", "$f3", "$f4", "$f5", "$f6", 228 "$f7", "$f8", "$f9", "$f10", "$f11", 229 "memory" 230 ); 231} 232 233#define calc_thr_3gpp calc_thr_3gpp_mips 234#define psy_hp_filter psy_hp_filter_mips 235 236#endif /* !HAVE_MIPS32R6 && !HAVE_MIPS64R6 */ 237#endif /* HAVE_INLINE_ASM && HAVE_MIPSFPU */ 238#endif /* AVCODEC_MIPS_AACPSY_MIPS_H */ 239