1/* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License along 15 * with FFmpeg; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 17 */ 18 19#include "libavutil/mem_internal.h" 20 21#include "libavcodec/opusdsp.h" 22 23#include "checkasm.h" 24 25#define randomize_float(buf, len) \ 26 do { \ 27 for (int i = 0; i < len; i++) { \ 28 float f = (float)rnd() / (UINT_MAX >> 5) - 16.0f; \ 29 buf[i] = f; \ 30 } \ 31 } while (0) 32 33#define EPS 0.005 34#define MAX_SIZE (960) 35 36/* period is between 15 and 1022, inclusive */ 37static void test_postfilter(int period) 38{ 39 LOCAL_ALIGNED(16, float, data0, [MAX_SIZE + 1024]); 40 LOCAL_ALIGNED(16, float, data1, [MAX_SIZE + 1024]); 41 42 /* This filter can explode very easily, so use a tapset from the codec. 43 * In the codec these are usually multiplied by at least 0.09375f, 44 * so its outside the largest filter value, but the filter is still stable 45 * so use it. */ 46 float gains[3] = { 0.3066406250f, 0.2170410156f, 0.1296386719f }; 47 48 /* The codec will always call with an offset which is aligned once 49 * (period + 2) is subtracted, but here we have to align it outselves. */ 50 int offset = FFALIGN(period + 2, 4); 51 52 declare_func(void, float *data, int period, float *gains, int len); 53 54 randomize_float(data0, MAX_SIZE + 1024); 55 memcpy(data1, data0, (MAX_SIZE + 1024)*sizeof(float)); 56 57 call_ref(data0 + offset, period, gains, MAX_SIZE); 58 call_new(data1 + offset, period, gains, MAX_SIZE); 59 60 if (!float_near_abs_eps_array(data0 + offset, data1 + offset, EPS, MAX_SIZE)) 61 fail(); 62 bench_new(data1 + offset, period, gains, MAX_SIZE); 63} 64 65static void test_deemphasis(void) 66{ 67 LOCAL_ALIGNED(16, float, src, [FFALIGN(MAX_SIZE, 4)]); 68 LOCAL_ALIGNED(16, float, dst0, [FFALIGN(MAX_SIZE, 4)]); 69 LOCAL_ALIGNED(16, float, dst1, [FFALIGN(MAX_SIZE, 4)]); 70 float coeff0 = (float)rnd() / (UINT_MAX >> 5) - 16.0f, coeff1 = coeff0; 71 72 declare_func_float(float, float *out, float *in, float coeff, int len); 73 74 randomize_float(src, MAX_SIZE); 75 76 coeff0 = call_ref(dst0, src, coeff0, MAX_SIZE); 77 coeff1 = call_new(dst1, src, coeff1, MAX_SIZE); 78 79 if (!float_near_abs_eps(coeff0, coeff1, EPS) || 80 !float_near_abs_eps_array(dst0, dst1, EPS, MAX_SIZE)) 81 fail(); 82 bench_new(dst1, src, coeff1, MAX_SIZE); 83} 84 85void checkasm_check_opusdsp(void) 86{ 87 OpusDSP ctx; 88 ff_opus_dsp_init(&ctx); 89 90 if (check_func(ctx.postfilter, "postfilter_15")) 91 test_postfilter(15); 92 report("postfilter_15"); 93 94 if (check_func(ctx.postfilter, "postfilter_512")) 95 test_postfilter(512); 96 report("postfilter_512"); 97 98 if (check_func(ctx.postfilter, "postfilter_1022")) 99 test_postfilter(1022); 100 report("postfilter_1022"); 101 102 if (check_func(ctx.deemphasis, "deemphasis")) 103 test_deemphasis(); 104 report("deemphasis"); 105} 106