tests/checkasm/vf_convolution.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/convolution.h"
  23 #include "libavutil/intreadwrite.h"
  24 #include "libavutil/mem_internal.h"
  25
  26 #define WIDTH 512
  27 #define HEIGHT 512
  28 #define SRC_STRIDE 512
  29 #define PIXELS (WIDTH * HEIGHT)
  30
  31 #define randomize_buffers(buf, size)      \
  32     do {                                  \
  33         int j;                            \
  34         uint8_t *tmp_buf = (uint8_t *)buf;\
  35         for (j = 0; j< size; j++)         \
  36             tmp_buf[j] = rnd() & 0xFF;    \
  37     } while (0)
  38
  39 static void check_sobel(const char * report_name)
  40 {
  41     LOCAL_ALIGNED_32(uint8_t, src,     [PIXELS]);
  42     LOCAL_ALIGNED_32(uint8_t, dst_ref, [PIXELS]);
  43     LOCAL_ALIGNED_32(uint8_t, dst_new, [PIXELS]);
  44     const int height = WIDTH;
  45     const int width  = HEIGHT;
  46     const int stride = SRC_STRIDE;
  47     const int dstride = SRC_STRIDE;
  48     int mode = 0;
  49     const uint8_t *c[49];
  50     const int radius = 1;
  51     const int bpc = 1;
  52     const int step = mode == MATRIX_COLUMN ? 16 : 1;
  53     const int slice_start = 0;
  54     const int slice_end = height;
  55     int y;
  56     const int sizew = mode == MATRIX_COLUMN ? height : width;
  57     float scale = 2;
  58     float delta = 10;
  59
  60     ConvolutionContext s;
  61
  62     declare_func(void, uint8_t *dst, int width, float scale, float delta, const int *const matrix,
  63                  const uint8_t *c[], int peak, int radius, int dstride, int stride, int size);
  64
  65     s.scale = scale;
  66     s.delta = delta;
  67     s.depth = 8;
  68     s.nb_planes = 3;
  69     s.planes = 15;
  70     ff_sobel_init(&s, s.depth, s.nb_planes);
  71
  72     memset(dst_ref, 0, PIXELS);
  73     memset(dst_new, 0, PIXELS);
  74     randomize_buffers(src, PIXELS);
  75
  76     if (check_func(s.filter[0], "%s", report_name)) {
  77         for (y = slice_start; y < slice_end; y += step) {
  78             const int xoff = mode == MATRIX_COLUMN ? (y - slice_start) * bpc : radius * bpc;
  79             const int yoff = mode == MATRIX_COLUMN ? radius * dstride : 0;
  80
  81             s.setup[0](radius, c, src, stride, radius, width, y, height, bpc);
  82             call_ref(dst_ref + yoff + xoff, sizew - 2 * radius,
  83                      scale, delta, NULL, c, 0, radius,
  84                      dstride, stride, slice_end - step);
  85             call_new(dst_new + yoff + xoff, sizew - 2 * radius,
  86                      scale, delta, NULL, c, 0, radius,
  87                      dstride, stride, slice_end - step);
  88             if (memcmp(dst_ref + yoff + xoff, dst_new + yoff + xoff, slice_end - step))
  89                 fail();
  90             bench_new(dst_new + yoff + xoff, sizew - 2 * radius,
  91                       scale, delta, NULL, c, 0, radius,
  92                       dstride, stride, slice_end - step);
  93             if (mode != MATRIX_COLUMN)
  94                 dst_ref += dstride;
  95         }
  96     }
  97
  98 }
  99
 100 void checkasm_check_vf_sobel(void)
 101 {
 102     check_sobel("sobel");
 103     report("convolution:sobel");
 104 }