LCOV - code coverage report
Current view: top level - tests/checkasm - bswapdsp.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 12 12 100.0 %
Date: 2017-10-18 21:45:51 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/bswapdsp.h"
      24             : #include "libavutil/common.h"
      25             : #include "libavutil/internal.h"
      26             : #include "libavutil/intreadwrite.h"
      27             : 
      28             : #define BUF_SIZE 512
      29             : 
      30             : #define randomize_buffers()                 \
      31             :     do {                                    \
      32             :         int i;                              \
      33             :         for (i = 0; i < BUF_SIZE; i += 4) { \
      34             :             uint32_t r = rnd();             \
      35             :             AV_WN32A(src0 + i, r);          \
      36             :             AV_WN32A(src1 + i, r);          \
      37             :             r = rnd();                      \
      38             :             AV_WN32A(dst0 + i, r);          \
      39             :             AV_WN32A(dst1 + i, r);          \
      40             :         }                                   \
      41             :     } while (0)
      42             : 
      43             : #define check_bswap(type)                                                                  \
      44             :     do {                                                                                   \
      45             :         int w;                                                                             \
      46             :         declare_func(void, type *dst, const type *src, int w);                             \
      47             :                                                                                            \
      48             :         for (w = 0; w < BUF_SIZE / sizeof(type); w++) {                                    \
      49             :             int offset = (BUF_SIZE / sizeof(type) - w) & 15; /* Test various alignments */ \
      50             :             randomize_buffers();                                                           \
      51             :             call_ref((type *)dst0 + offset, (type *)src0 + offset, w);                     \
      52             :             call_new((type *)dst1 + offset, (type *)src1 + offset, w);                     \
      53             :             if (memcmp(src0, src1, BUF_SIZE) || memcmp(dst0, dst1, BUF_SIZE))              \
      54             :                 fail();                                                                    \
      55             :             bench_new((type *)dst1 + offset, (type *)src1 + offset, w);                    \
      56             :         }                                                                                  \
      57             :     } while (0)
      58             : 
      59          13 : void checkasm_check_bswapdsp(void)
      60             : {
      61          13 :     LOCAL_ALIGNED_16(uint8_t, src0, [BUF_SIZE]);
      62          13 :     LOCAL_ALIGNED_16(uint8_t, src1, [BUF_SIZE]);
      63          13 :     LOCAL_ALIGNED_16(uint8_t, dst0, [BUF_SIZE]);
      64          13 :     LOCAL_ALIGNED_16(uint8_t, dst1, [BUF_SIZE]);
      65             :     BswapDSPContext h;
      66             : 
      67          13 :     ff_bswapdsp_init(&h);
      68             : 
      69          13 :     if (check_func(h.bswap_buf, "bswap_buf"))
      70           3 :         check_bswap(uint32_t);
      71             : 
      72          13 :     if (check_func(h.bswap16_buf, "bswap16_buf"))
      73           1 :         check_bswap(uint16_t);
      74             : 
      75          13 :     report("bswap");
      76          13 : }

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