aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* 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 "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");
}
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