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/*
* 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 <float.h>
#include <string.h>
#include "checkasm.h"
#include "libavfilter/gblur.h"
#define WIDTH 256
#define HEIGHT 256
#define PIXELS (WIDTH * HEIGHT)
#define BUF_SIZE (PIXELS * 4)
#define randomize_buffers(buf, size) \
do { \
int j; \
float *tmp_buf = (float *)buf; \
for (j = 0; j < size; j++) \
tmp_buf[j] = (float)(rnd() & 0xFF); \
} while (0)
static void check_horiz_slice(float *dst_ref, float *dst_new)
{
int steps = 2;
float nu = 0.101f;
float bscale = 1.112f;
declare_func(void, float *dst, int w, int h, int steps, float nu, float bscale);
call_ref(dst_ref, WIDTH, HEIGHT, steps, nu, bscale);
call_new(dst_new, WIDTH, HEIGHT, steps, nu, bscale);
if (!float_near_abs_eps_array(dst_ref, dst_new, 0.01f, PIXELS)) {
fail();
}
bench_new(dst_new, WIDTH, HEIGHT, 1, nu, bscale);
}
static void check_postscale_slice(float *dst_ref, float *dst_new)
{
float postscale = 0.0603f;
declare_func(void, float *dst, int len, float postscale, float min, float max);
call_ref(dst_ref, PIXELS, postscale, -FLT_MAX, FLT_MAX);
call_new(dst_new, PIXELS, postscale, -FLT_MAX, FLT_MAX);
if (!float_near_abs_eps_array(dst_ref, dst_new, FLT_EPSILON, PIXELS)) {
fail();
}
bench_new(dst_new, PIXELS, postscale, -FLT_MAX, FLT_MAX);
}
void checkasm_check_vf_gblur(void)
{
float *dst_ref = av_malloc(BUF_SIZE);
float *dst_new = av_malloc(BUF_SIZE);
GBlurContext s;
randomize_buffers(dst_ref, PIXELS);
memcpy(dst_new, dst_ref, BUF_SIZE);
ff_gblur_init(&s);
if (check_func(s.horiz_slice, "horiz_slice")) {
check_horiz_slice(dst_ref, dst_new);
}
report("horiz_slice");
randomize_buffers(dst_ref, PIXELS);
memcpy(dst_new, dst_ref, BUF_SIZE);
if (check_func(s.postscale_slice, "postscale_slice")) {
check_postscale_slice(dst_ref, dst_new);
}
report("postscale_slice");
av_freep(&dst_ref);
av_freep(&dst_new);
}
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