tests/checkasm/vf_hflip.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/hflip.h"
  22 #include "libavfilter/vf_hflip_init.h"
  23 #include "libavutil/intreadwrite.h"
  24 #include "libavutil/mem_internal.h"
  25
  26 #define WIDTH 256
  27 #define WIDTH_PADDED 256 + 32
  28
  29 #define randomize_buffers(buf, size)      \
  30     do {                                  \
  31         int j;                            \
  32         uint8_t *tmp_buf = (uint8_t *)buf;\
  33         for (j = 0; j < size; j++)        \
  34             tmp_buf[j] = rnd() & 0xFF;    \
  35     } while (0)
  36
  37 static void check_hflip(int step, const char * report_name){
  38     LOCAL_ALIGNED_32(uint8_t, src,     [WIDTH_PADDED]);
  39     LOCAL_ALIGNED_32(uint8_t, dst_ref, [WIDTH_PADDED]);
  40     LOCAL_ALIGNED_32(uint8_t, dst_new, [WIDTH_PADDED]);
  41     int w = WIDTH;
  42     int i;
  43     int step_array[4] = {1, 1, 1, 1};
  44     FlipContext s;
  45
  46     declare_func(void, const uint8_t *src, uint8_t *dst, int w);
  47
  48     s.bayer_plus1 = 1;
  49     memset(src,     0, WIDTH_PADDED);
  50     memset(dst_ref, 0, WIDTH_PADDED);
  51     memset(dst_new, 0, WIDTH_PADDED);
  52     randomize_buffers(src, WIDTH_PADDED);
  53
  54     if (step == 2) {
  55         w /= 2;
  56         for (i = 0; i < 4; i++)
  57             step_array[i] = step;
  58     }
  59
  60     ff_hflip_init(&s, step_array, 4);
  61
  62     if (check_func(s.flip_line[0], "hflip_%s", report_name)) {
  63         for (i = 1; i < w; i++) {
  64             call_ref(src + (w - 1) * step, dst_ref, i);
  65             call_new(src + (w - 1) * step, dst_new, i);
  66             if (memcmp(dst_ref, dst_new, i * step))
  67                 fail();
  68         }
  69         bench_new(src + (w - 1) * step, dst_new, w);
  70     }
  71 }
  72 void checkasm_check_vf_hflip(void)
  73 {
  74     check_hflip(1, "byte");
  75     report("hflip_byte");
  76
  77     check_hflip(2, "short");
  78     report("hflip_short");
  79 }