LCOV - code coverage report
Current view: top level - tests/checkasm - vf_blend.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 33 33 100.0 %
Date: 2017-10-18 21:45:51 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2016 Tiancheng "Timothy" Gu
       3             :  *
       4             :  * This file is part of FFmpeg.
       5             :  *
       6             :  * FFmpeg is free software; you can redistribute it and/or modify
       7             :  * it under the terms of the GNU General Public License as published by
       8             :  * the Free Software Foundation; either version 2 of the License, or
       9             :  * (at your option) any later version.
      10             :  *
      11             :  * FFmpeg is distributed in the hope that it will be useful,
      12             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14             :  * GNU General Public License for more details.
      15             :  *
      16             :  * You should have received a copy of the GNU General Public License along
      17             :  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
      18             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      19             :  */
      20             : 
      21             : #include <string.h>
      22             : #include "checkasm.h"
      23             : #include "libavfilter/blend.h"
      24             : #include "libavutil/common.h"
      25             : #include "libavutil/internal.h"
      26             : #include "libavutil/intreadwrite.h"
      27             : 
      28             : #define WIDTH 256
      29             : #define HEIGHT 256
      30             : #define BUF_UNITS 3
      31             : #define SIZE_PER_UNIT (WIDTH * HEIGHT)
      32             : #define BUF_SIZE (BUF_UNITS * SIZE_PER_UNIT)
      33             : 
      34             : #define randomize_buffers()                   \
      35             :     do {                                      \
      36             :         int i, j;                             \
      37             :         for (i = 0; i < HEIGHT; i++) {        \
      38             :             for (j = 0; j < WIDTH; j++) {     \
      39             :                 top1[i * WIDTH + j] =         \
      40             :                 top2[i * WIDTH + j] = i;      \
      41             :                 bot1[i * WIDTH + j] =         \
      42             :                 bot2[i * WIDTH + j] = j;      \
      43             :             }                                 \
      44             :         }                                     \
      45             :         for (i = 0; i < SIZE_PER_UNIT; i += 4) { \
      46             :             uint32_t r = rnd();               \
      47             :             AV_WN32A(dst1 + i, r);            \
      48             :             AV_WN32A(dst2 + i, r);            \
      49             :         }                                     \
      50             :         for (; i < BUF_SIZE; i += 4) {        \
      51             :             uint32_t r = rnd();               \
      52             :             AV_WN32A(top1 + i, r);            \
      53             :             AV_WN32A(top2 + i, r);            \
      54             :             r = rnd();                        \
      55             :             AV_WN32A(bot1 + i, r);            \
      56             :             AV_WN32A(bot2 + i, r);            \
      57             :             r = rnd();                        \
      58             :             AV_WN32A(dst1 + i, r);            \
      59             :             AV_WN32A(dst2 + i, r);            \
      60             :         }                                     \
      61             :     } while (0)
      62             : 
      63             : #define check_blend_func()                                                                 \
      64             :     do {                                                                                   \
      65             :         int i;                                                                             \
      66             :         declare_func(void, const uint8_t *top, ptrdiff_t top_linesize,                     \
      67             :                      const uint8_t *bottom, ptrdiff_t bottom_linesize,                     \
      68             :                      uint8_t *dst, ptrdiff_t dst_linesize,                                 \
      69             :                      ptrdiff_t width, ptrdiff_t height,                                    \
      70             :                      struct FilterParams *param, double *values);                          \
      71             :                                                                                            \
      72             :         for (i = 0; i < BUF_UNITS - 1; i++) {                                              \
      73             :             int src_offset = i * SIZE_PER_UNIT + i; /* Test various alignments */          \
      74             :             int dst_offset = i * SIZE_PER_UNIT; /* dst must be aligned */                  \
      75             :             randomize_buffers();                                                           \
      76             :             call_ref(top1 + src_offset, WIDTH, bot1 + src_offset, WIDTH,                   \
      77             :                      dst1 + dst_offset, WIDTH, WIDTH, HEIGHT, &param, NULL);               \
      78             :             call_new(top2 + src_offset, WIDTH, bot2 + src_offset, WIDTH,                   \
      79             :                      dst2 + dst_offset, WIDTH, WIDTH, HEIGHT, &param, NULL);               \
      80             :             if (memcmp(top1, top2, BUF_SIZE) || memcmp(bot1, bot2, BUF_SIZE) || memcmp(dst1, dst2, BUF_SIZE)) \
      81             :                 fail();                                                                    \
      82             :         }                                                                                  \
      83             :         bench_new(top2, WIDTH / 4, bot2, WIDTH / 4, dst2, WIDTH / 4,                       \
      84             :                   WIDTH / 4, HEIGHT / 4, &param, NULL);                                    \
      85             :     } while (0)
      86             : 
      87          13 : void checkasm_check_blend(void)
      88             : {
      89          13 :     uint8_t *top1 = av_malloc(BUF_SIZE);
      90          13 :     uint8_t *top2 = av_malloc(BUF_SIZE);
      91          13 :     uint8_t *bot1 = av_malloc(BUF_SIZE);
      92          13 :     uint8_t *bot2 = av_malloc(BUF_SIZE);
      93          13 :     uint8_t *dst1 = av_malloc(BUF_SIZE);
      94          13 :     uint8_t *dst2 = av_malloc(BUF_SIZE);
      95          13 :     FilterParams param = {
      96             :         .opacity = 1.0,
      97             :     };
      98             : 
      99             : #define check_and_report(name, val)               \
     100             :     param.mode = val;                             \
     101             :     ff_blend_init(&param, 0);                     \
     102             :     if (check_func(param.blend, #name))           \
     103             :         check_blend_func();
     104             : 
     105          13 :     check_and_report(addition, BLEND_ADDITION)
     106          13 :     check_and_report(grainmerge, BLEND_GRAINMERGE)
     107          13 :     check_and_report(and, BLEND_AND)
     108          13 :     check_and_report(average, BLEND_AVERAGE)
     109          13 :     check_and_report(darken, BLEND_DARKEN)
     110          13 :     check_and_report(grainextract, BLEND_GRAINEXTRACT)
     111          13 :     check_and_report(hardmix, BLEND_HARDMIX)
     112          13 :     check_and_report(lighten, BLEND_LIGHTEN)
     113          13 :     check_and_report(multiply, BLEND_MULTIPLY)
     114          13 :     check_and_report(or, BLEND_OR)
     115          13 :     check_and_report(phoenix, BLEND_PHOENIX)
     116          13 :     check_and_report(screen, BLEND_SCREEN)
     117          13 :     check_and_report(subtract, BLEND_SUBTRACT)
     118          13 :     check_and_report(xor, BLEND_XOR)
     119          13 :     check_and_report(difference, BLEND_DIFFERENCE)
     120          13 :     check_and_report(extremity, BLEND_EXTREMITY)
     121          13 :     check_and_report(negation, BLEND_NEGATION)
     122             : 
     123          13 :     report("8bit");
     124             : 
     125          13 :     av_freep(&top1);
     126          13 :     av_freep(&top2);
     127          13 :     av_freep(&bot1);
     128          13 :     av_freep(&bot2);
     129          13 :     av_freep(&dst1);
     130          13 :     av_freep(&dst2);
     131          13 : }

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