LCOV - code coverage report
Current view: top level - src/tests/checkasm - h264qpel.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 22 23 95.7 %
Date: 2017-01-19 23:52:33 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2015 Henrik Gramner
       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/h264qpel.h"
      24             : #include "libavutil/common.h"
      25             : #include "libavutil/internal.h"
      26             : #include "libavutil/intreadwrite.h"
      27             : 
      28             : static const uint32_t pixel_mask[3] = { 0xffffffff, 0x01ff01ff, 0x03ff03ff };
      29             : 
      30             : #define SIZEOF_PIXEL ((bit_depth + 7) / 8)
      31             : #define BUF_SIZE (2 * 16 * (16 + 3 + 4))
      32             : 
      33             : #define randomize_buffers()                        \
      34             :     do {                                           \
      35             :         uint32_t mask = pixel_mask[bit_depth - 8]; \
      36             :         int k;                                     \
      37             :         for (k = 0; k < BUF_SIZE; k += 4) {        \
      38             :             uint32_t r = rnd() & mask;             \
      39             :             AV_WN32A(buf0 + k, r);                 \
      40             :             AV_WN32A(buf1 + k, r);                 \
      41             :             r = rnd();                             \
      42             :             AV_WN32A(dst0 + k, r);                 \
      43             :             AV_WN32A(dst1 + k, r);                 \
      44             :         }                                          \
      45             :     } while (0)
      46             : 
      47             : #define src0 (buf0 + 3 * 2 * 16) /* h264qpel functions read data from negative src pointer offsets */
      48             : #define src1 (buf1 + 3 * 2 * 16)
      49             : 
      50          11 : void checkasm_check_h264qpel(void)
      51             : {
      52          11 :     LOCAL_ALIGNED_16(uint8_t, buf0, [BUF_SIZE]);
      53          11 :     LOCAL_ALIGNED_16(uint8_t, buf1, [BUF_SIZE]);
      54          11 :     LOCAL_ALIGNED_16(uint8_t, dst0, [BUF_SIZE]);
      55          11 :     LOCAL_ALIGNED_16(uint8_t, dst1, [BUF_SIZE]);
      56             :     H264QpelContext h;
      57             :     int op, bit_depth, i, j;
      58          11 :     declare_func_emms(AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMXEXT, void, uint8_t *dst, const uint8_t *src, ptrdiff_t stride);
      59             : 
      60          33 :     for (op = 0; op < 2; op++) {
      61          22 :         qpel_mc_func (*tab)[16] = op ? h.avg_h264_qpel_pixels_tab : h.put_h264_qpel_pixels_tab;
      62          22 :         const char *op_name = op ? "avg" : "put";
      63             : 
      64          88 :         for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
      65          66 :             ff_h264qpel_init(&h, bit_depth);
      66         297 :             for (i = 0; i < (op ? 3 : 4); i++) {
      67         231 :                 int size = 16 >> i;
      68        3927 :                 for (j = 0; j < 16; j++)
      69        3696 :                     if (check_func(tab[i][j], "%s_h264_qpel_%d_mc%d%d_%d", op_name, size, j & 3, j >> 2, bit_depth)) {
      70         650 :                         randomize_buffers();
      71         650 :                         call_ref(dst0, src0, size * SIZEOF_PIXEL);
      72         650 :                         call_new(dst1, src1, size * SIZEOF_PIXEL);
      73         650 :                         if (memcmp(buf0, buf1, BUF_SIZE) || memcmp(dst0, dst1, BUF_SIZE))
      74           0 :                             fail();
      75         650 :                         bench_new(dst1, src1, size * SIZEOF_PIXEL);
      76             :                     }
      77             :             }
      78             :         }
      79          22 :         report("%s", op_name);
      80             :     }
      81          11 : }

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