tests/checkasm/exrdsp.c

   1 /*
   2  * Copyright (c) 2017 James Almer
   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
  23 #include "checkasm.h"
  24 #include "libavcodec/defs.h"
  25 #include "libavcodec/exrdsp.h"
  26 #include "libavutil/intreadwrite.h"
  27 #include "libavutil/mem_internal.h"
  28
  29 #define BUF_SIZE 5120
  30 #define PADDED_BUF_SIZE BUF_SIZE+AV_INPUT_BUFFER_PADDING_SIZE*2
  31
  32 #define randomize_buffers()                 \
  33     do {                                    \
  34         int i;                              \
  35         for (i = 0; i < BUF_SIZE; i += 4) { \
  36             uint32_t r = rnd();             \
  37             AV_WN32A(src + i, r);           \
  38         }                                   \
  39     } while (0)
  40
  41 static void check_reorder_pixels(void) {
  42     LOCAL_ALIGNED_32(uint8_t, src,     [PADDED_BUF_SIZE]);
  43     LOCAL_ALIGNED_32(uint8_t, dst_ref, [PADDED_BUF_SIZE]);
  44     LOCAL_ALIGNED_32(uint8_t, dst_new, [PADDED_BUF_SIZE]);
  45
  46     declare_func(void, uint8_t *dst, const uint8_t *src, ptrdiff_t size);
  47
  48     memset(src,     0, PADDED_BUF_SIZE);
  49     memset(dst_ref, 0, PADDED_BUF_SIZE);
  50     memset(dst_new, 0, PADDED_BUF_SIZE);
  51     randomize_buffers();
  52     call_ref(dst_ref, src, BUF_SIZE);
  53     call_new(dst_new, src, BUF_SIZE);
  54     if (memcmp(dst_ref, dst_new, BUF_SIZE))
  55         fail();
  56     bench_new(dst_new, src, BUF_SIZE);
  57 }
  58
  59 static void check_predictor(void) {
  60     LOCAL_ALIGNED_32(uint8_t, src,     [PADDED_BUF_SIZE]);
  61     LOCAL_ALIGNED_32(uint8_t, dst_ref, [PADDED_BUF_SIZE]);
  62     LOCAL_ALIGNED_32(uint8_t, dst_new, [PADDED_BUF_SIZE]);
  63
  64     declare_func(void, uint8_t *src, ptrdiff_t size);
  65
  66     memset(src,     0, PADDED_BUF_SIZE);
  67     randomize_buffers();
  68     memcpy(dst_ref, src, PADDED_BUF_SIZE);
  69     memcpy(dst_new, src, PADDED_BUF_SIZE);
  70     call_ref(dst_ref, BUF_SIZE);
  71     call_new(dst_new, BUF_SIZE);
  72     if (memcmp(dst_ref, dst_new, BUF_SIZE))
  73         fail();
  74     bench_new(dst_new, BUF_SIZE);
  75 }
  76
  77 void checkasm_check_exrdsp(void)
  78 {
  79     ExrDSPContext h;
  80
  81     ff_exrdsp_init(&h);
  82
  83     if (check_func(h.reorder_pixels, "reorder_pixels"))
  84         check_reorder_pixels();
  85
  86     report("reorder_pixels");
  87
  88     if (check_func(h.predictor, "predictor"))
  89         check_predictor();
  90
  91     report("predictor");
  92 }