tests/checkasm/vf_eq.c

   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 <string.h>
  20 #include "checkasm.h"
  21 #include "libavfilter/avfilter.h"
  22 #include "libavfilter/vf_eq.h"
  23 #include "libavutil/intreadwrite.h"
  24 #include "libavutil/mem_internal.h"
  25
  26 #define WIDTH 256
  27 #define HEIGHT 256
  28 #define SRC_STRIDE 256
  29 #define PIXELS (WIDTH * HEIGHT)
  30 #define RANDOM_RANGE 80000
  31 #define SCALE 10000
  32
  33 #define randomize_buffers(buf, size)      \
  34     do {                                  \
  35         int j;                            \
  36         uint8_t *tmp_buf = (uint8_t *)buf;\
  37         for (j = 0; j< size; j++)         \
  38             tmp_buf[j] = rnd() & 0xFF;    \
  39     } while (0)
  40
  41 static void check_eq(void)
  42 {
  43     LOCAL_ALIGNED_32(uint8_t, src,     [PIXELS]);
  44     LOCAL_ALIGNED_32(uint8_t, dst_ref, [PIXELS]);
  45     LOCAL_ALIGNED_32(uint8_t, dst_new, [PIXELS]);
  46     int w = WIDTH;
  47     int h = HEIGHT;
  48     int src_stride = SRC_STRIDE;
  49     int dst_stride = SRC_STRIDE;
  50     EQParameters pa;
  51     EQContext eq;
  52     declare_func(void, EQParameters *param, uint8_t *dst, int dst_stride,
  53                  const uint8_t *src, int src_stride, int w, int h);
  54
  55     double rand_contrast = (int)(rnd() % (RANDOM_RANGE * 2) - RANDOM_RANGE) /
  56                            (SCALE * 1.0);
  57     double rand_brightness = (int)(rnd() % (SCALE * 2) - SCALE) /
  58                              (SCALE * 1.0);
  59     pa.contrast = rand_contrast;
  60     pa.brightness = rand_brightness;
  61
  62     memset(dst_ref, 0, PIXELS);
  63     memset(dst_new, 0, PIXELS);
  64     randomize_buffers(src, PIXELS);
  65     ff_eq_init(&eq);
  66
  67     if (check_func(eq.process, "process")) {
  68         call_ref(&pa, dst_ref, dst_stride, src, src_stride, w, h);
  69         call_new(&pa, dst_new, dst_stride, src, src_stride, w, h);
  70         if (memcmp(dst_ref, dst_new, PIXELS))
  71             fail();
  72         bench_new(&pa, dst_new, dst_stride, src, src_stride, w, h);
  73     }
  74 }
  75
  76 void checkasm_check_vf_eq(void)
  77 {
  78     check_eq();
  79     report("eq");
  80 }