/* * Copyright (c) 2015 Janne Grunau * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * FFmpeg 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 General Public License for more details. * * You should have received a copy of the GNU General Public License along * with FFmpeg; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include <math.h> #include <stdint.h> #include <string.h> #include "libavutil/internal.h" #include "libavutil/common.h" #include "libavutil/mem_internal.h" #include "libavcodec/fmtconvert.h" #include "checkasm.h" #define BUF_SIZE 1024 #define randomize_input(len) \ do { \ int k; \ for (k = 0; k < len; k++) { \ in[k] = rnd() - INT32_MAX; \ } \ for ( ; k < BUF_SIZE; k++) { \ in[k] = INT32_MAX; \ } \ } while (0) void checkasm_check_fmtconvert(void) { FmtConvertContext c; LOCAL_ALIGNED(32, float, dst0, [BUF_SIZE]); LOCAL_ALIGNED(32, float, dst1, [BUF_SIZE]); LOCAL_ALIGNED(32, int32_t, in, [BUF_SIZE]); float scale_arr[128]; int length[] = {8, 16, 24, 56, 72, 128, 512, 520, 656, 768, 992}; int i, j; for (i = 0; i < FF_ARRAY_ELEMS(scale_arr); i++) scale_arr[i] = (FF_ARRAY_ELEMS(scale_arr) - FF_ARRAY_ELEMS(scale_arr) / 2) / 13; ff_fmt_convert_init(&c, NULL); memset(dst0, 0, sizeof(*dst0) * BUF_SIZE); memset(dst1, 0, sizeof(*dst1) * BUF_SIZE); if (check_func(c.int32_to_float_fmul_scalar, "int32_to_float_fmul_scalar")) { declare_func(void, float *, const int32_t *, float, int); for (i = 0; i < FF_ARRAY_ELEMS(scale_arr); i++) { for (j = 0; j < FF_ARRAY_ELEMS(length); j++) { randomize_input(length[j]); call_ref(dst0, in, scale_arr[i], length[j]); call_new(dst1, in, scale_arr[i], length[j]); if (!float_near_ulp_array(dst0, dst1, 3, length[j])) { fail(); break; } bench_new(dst1, in, scale_arr[i], length[j]); } } } if (check_func(c.int32_to_float_fmul_array8, "int32_to_float_fmul_array8")) { declare_func(void, FmtConvertContext *, float *, const int32_t *, const float *, int); for (i = 0; i < 4; i++) { for (j = 0; j < FF_ARRAY_ELEMS(length); j++) { randomize_input(length[j]); call_ref(&c, dst0, in, scale_arr, length[j]); call_new(&c, dst1, in, scale_arr, length[j]); if (!float_near_ulp_array(dst0, dst1, 3, length[j])) { fail(); fprintf(stderr, "int32_to_float_fmul_array8: len: %d\n", length[j]); break; } bench_new(&c, dst1, in, scale_arr, length[j]); } } } report("fmtconvert"); }