git.sesse.net Git - ffmpeg/blob - tests/checkasm/pixblockdsp.c

   1 /*
   2  * Copyright (c) 2015 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 "libavcodec/pixblockdsp.h"
  24 #include "libavutil/common.h"
  25 #include "libavutil/internal.h"
  26 #include "libavutil/intreadwrite.h"
  27
  28 #define BUF_UNITS 8
  29 #define BUF_SIZE (BUF_UNITS * 128 + 8 * BUF_UNITS)
  30
  31 #define randomize_buffers()                 \
  32     do {                                    \
  33         int i;                              \
  34         for (i = 0; i < BUF_SIZE; i += 4) { \
  35             uint32_t r = rnd();             \
  36             AV_WN32A(src10 + i, r);         \
  37             AV_WN32A(src11 + i, r);         \
  38             r = rnd();                      \
  39             AV_WN32A(src20 + i, r);         \
  40             AV_WN32A(src21 + i, r);         \
  41             r = rnd();                      \
  42             AV_WN32A(dst0_ + i, r);         \
  43             AV_WN32A(dst1_ + i, r);         \
  44         }                                   \
  45     } while (0)
  46
  47 #define check_get_pixels(type)                                                             \
  48     do {                                                                                   \
  49         int i;                                                                             \
  50         declare_func_emms(AV_CPU_FLAG_MMX, void, int16_t *block, const uint8_t *pixels, ptrdiff_t line_size);    \
  51                                                                                            \
  52         for (i = 0; i < BUF_UNITS; i++) {                                              \
  53             int src_offset = i * 64 * sizeof(type) + 8 * i; /* Test various alignments */      \
  54             int dst_offset = i * 64; /* dst must be aligned */                             \
  55             randomize_buffers();                                                           \
  56             call_ref(dst0 + dst_offset, src10 + src_offset, 8);                            \
  57             call_new(dst1 + dst_offset, src11 + src_offset, 8);                            \
  58             if (memcmp(src10, src11, BUF_SIZE)|| memcmp(dst0, dst1, BUF_SIZE)) \
  59                 fail();                                                                    \
  60             bench_new(dst1 + dst_offset, src11 + src_offset, 8);                           \
  61         }                                                                                  \
  62     } while (0)
  63
  64 #define check_diff_pixels(type)                                                            \
  65     do {                                                                                   \
  66         int i;                                                                             \
  67         declare_func_emms(AV_CPU_FLAG_MMX, void, int16_t *av_restrict block, const uint8_t *s1, const uint8_t *s2, ptrdiff_t stride); \
  68                                                                                            \
  69         for (i = 0; i < BUF_UNITS; i++) {                                              \
  70             int src_offset = i * 64 * sizeof(type) + 8 * i; /* Test various alignments */      \
  71             int dst_offset = i * 64; /* dst must be aligned */                             \
  72             randomize_buffers();                                                           \
  73             call_ref(dst0 + dst_offset, src10 + src_offset, src20 + src_offset, 8);        \
  74             call_new(dst1 + dst_offset, src11 + src_offset, src21 + src_offset, 8);        \
  75             if (memcmp(src10, src11, BUF_SIZE) || memcmp(src20, src21, BUF_SIZE) || memcmp(dst0, dst1, BUF_SIZE)) \
  76                 fail();                                                                    \
  77             bench_new(dst1 + dst_offset, src11 + src_offset, src21 + src_offset, 8);       \
  78         }                                                                                  \
  79     } while (0)
  80
  81 void checkasm_check_pixblockdsp(void)
  82 {
  83     LOCAL_ALIGNED_16(uint8_t, src10, [BUF_SIZE]);
  84     LOCAL_ALIGNED_16(uint8_t, src11, [BUF_SIZE]);
  85     LOCAL_ALIGNED_16(uint8_t, src20, [BUF_SIZE]);
  86     LOCAL_ALIGNED_16(uint8_t, src21, [BUF_SIZE]);
  87     LOCAL_ALIGNED_16(uint8_t, dst0_, [BUF_SIZE]);
  88     LOCAL_ALIGNED_16(uint8_t, dst1_, [BUF_SIZE]);
  89     uint16_t *dst0 = (uint16_t *)dst0_;
  90     uint16_t *dst1 = (uint16_t *)dst1_;
  91     PixblockDSPContext h;
  92     AVCodecContext avctx = {
  93         .bits_per_raw_sample = 8,
  94     };
  95
  96     ff_pixblockdsp_init(&h, &avctx);
  97
  98     if (check_func(h.get_pixels, "get_pixels"))
  99         check_get_pixels(uint8_t);
 100
 101     report("get_pixels");
 102
 103     if (check_func(h.diff_pixels, "diff_pixels"))
 104         check_diff_pixels(uint8_t);
 105
 106     report("diff_pixels");
 107 }