LCOV - code coverage report
Current view: top level - tests/checkasm - vf_hflip.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 29 30 96.7 %
Date: 2018-01-22 05:20:11 Functions: 2 2 100.0 %

          Line data    Source code
       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 "libavutil/intreadwrite.h"
      23             : 
      24             : #define WIDTH 256
      25             : #define WIDTH_PADDED 256 + 32
      26             : 
      27             : #define randomize_buffers(buf, size)      \
      28             :     do {                                  \
      29             :         int j;                            \
      30             :         uint8_t *tmp_buf = (uint8_t *)buf;\
      31             :         for (j = 0; j < size; j++)        \
      32             :             tmp_buf[j] = rnd() & 0xFF;    \
      33             :     } while (0)
      34             : 
      35          26 : static void check_hflip(int step, const char * report_name){
      36          26 :     LOCAL_ALIGNED_32(uint8_t, src,     [WIDTH_PADDED]);
      37          26 :     LOCAL_ALIGNED_32(uint8_t, dst_ref, [WIDTH_PADDED]);
      38          26 :     LOCAL_ALIGNED_32(uint8_t, dst_new, [WIDTH_PADDED]);
      39          26 :     int w = WIDTH;
      40             :     int i;
      41          26 :     int step_array[4] = {1, 1, 1, 1};
      42             :     FlipContext s;
      43             : 
      44          26 :     declare_func(void, const uint8_t *src, uint8_t *dst, int w);
      45             : 
      46          26 :     memset(src,     0, WIDTH_PADDED);
      47          26 :     memset(dst_ref, 0, WIDTH_PADDED);
      48          26 :     memset(dst_new, 0, WIDTH_PADDED);
      49          26 :     randomize_buffers(src, WIDTH_PADDED);
      50             : 
      51          26 :     if (step == 2) {
      52          13 :         w /= 2;
      53          65 :         for (i = 0; i < 4; i++)
      54          52 :             step_array[i] = step;
      55             :     }
      56             : 
      57          26 :     ff_hflip_init(&s, step_array, 4);
      58             : 
      59          26 :     if (check_func(s.flip_line[0], "hflip_%s", report_name)) {
      60        1152 :         for (i = 1; i < w; i++) {
      61        1146 :             call_ref(src + (w - 1) * step, dst_ref, i);
      62        1146 :             call_new(src + (w - 1) * step, dst_new, i);
      63        1146 :             if (memcmp(dst_ref, dst_new, i * step))
      64           0 :                 fail();
      65             :         }
      66           6 :         bench_new(src + (w - 1) * step, dst_new, w);
      67             :     }
      68          26 : }
      69          13 : void checkasm_check_vf_hflip(void)
      70             : {
      71          13 :     check_hflip(1, "byte");
      72          13 :     report("hflip_byte");
      73             : 
      74          13 :     check_hflip(2, "short");
      75          13 :     report("hflip_short");
      76          13 : }

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