mirror of
https://github.com/FFmpeg/FFmpeg.git
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106 lines
3.6 KiB
C
106 lines
3.6 KiB
C
/*
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* Copyright (c) 2015 Janne Grunau
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with Libav; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <math.h>
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#include <stdint.h>
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#include <string.h>
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#include "libavutil/internal.h"
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#include "libavutil/common.h"
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#include "libavcodec/fmtconvert.h"
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#include "checkasm.h"
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#define BUF_SIZE 1024
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#define randomize_input(len) \
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do { \
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int k; \
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for (k = 0; k < len; k++) { \
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in[k] = rnd() - INT32_MAX; \
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} \
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for ( ; k < BUF_SIZE; k++) { \
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in[k] = INT32_MAX; \
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} \
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} while (0)
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void checkasm_check_fmtconvert(void)
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{
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FmtConvertContext c;
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LOCAL_ALIGNED(32, float, dst0, [BUF_SIZE]);
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LOCAL_ALIGNED(32, float, dst1, [BUF_SIZE]);
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LOCAL_ALIGNED(32, int32_t, in, [BUF_SIZE]);
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float scale_arr[128];
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int length[] = {8, 16, 24, 56, 72, 128, 512, 520, 656, 768, 992};
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int i, j;
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for (i = 0; i < FF_ARRAY_ELEMS(scale_arr); i++)
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scale_arr[i] = (FF_ARRAY_ELEMS(scale_arr) - FF_ARRAY_ELEMS(scale_arr) / 2) / 13;
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ff_fmt_convert_init(&c, NULL);
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memset(dst0, 0, sizeof(*dst0) * BUF_SIZE);
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memset(dst1, 0, sizeof(*dst1) * BUF_SIZE);
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if (check_func(c.int32_to_float_fmul_scalar, "int32_to_float_fmul_scalar")) {
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declare_func(void, float *, const int32_t *, float, int);
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for (i = 0; i < FF_ARRAY_ELEMS(scale_arr); i++) {
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for (j = 0; j < FF_ARRAY_ELEMS(length); j++) {
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randomize_input(length[j]);
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call_ref(dst0, in, scale_arr[i], length[j]);
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call_new(dst1, in, scale_arr[i], length[j]);
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if (!float_near_ulp_array(dst0, dst1, 3, length[j])) {
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fail();
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break;
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}
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bench_new(dst1, in, scale_arr[i], length[j]);
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}
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}
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}
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if (check_func(c.int32_to_float_fmul_array8, "int32_to_float_fmul_array8")) {
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declare_func(void, FmtConvertContext *, float *, const int32_t *,
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const float *, int);
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for (i = 0; i < 4; i++) {
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for (j = 0; j < FF_ARRAY_ELEMS(length); j++) {
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randomize_input(length[j]);
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call_ref(&c, dst0, in, scale_arr, length[j]);
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call_new(&c, dst1, in, scale_arr, length[j]);
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if (!float_near_ulp_array(dst0, dst1, 3, length[j])) {
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fail();
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fprintf(stderr, "int32_to_float_fmul_array8: len: %d\n", length[j]);
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break;
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}
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bench_new(&c, dst1, in, scale_arr, length[j]);
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}
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}
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}
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report("fmtconvert");
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}
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