LCOV - code coverage report
Current view: top level - src/libavutil/tests - crc.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 7 7 100.0 %
Date: 2017-01-22 02:20:28 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * This file is part of FFmpeg.
       3             :  *
       4             :  * FFmpeg is free software; you can redistribute it and/or
       5             :  * modify it under the terms of the GNU Lesser General Public
       6             :  * License as published by the Free Software Foundation; either
       7             :  * version 2.1 of the License, or (at your option) any later version.
       8             :  *
       9             :  * FFmpeg is distributed in the hope that it will be useful,
      10             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12             :  * Lesser General Public License for more details.
      13             :  *
      14             :  * You should have received a copy of the GNU Lesser General Public
      15             :  * License along with FFmpeg; if not, write to the Free Software
      16             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      17             :  */
      18             : 
      19             : #include <stdint.h>
      20             : #include <stdio.h>
      21             : 
      22             : #include "libavutil/crc.h"
      23             : 
      24           1 : int main(void)
      25             : {
      26             :     uint8_t buf[1999];
      27             :     int i;
      28             :     static const unsigned p[6][3] = {
      29             :         { AV_CRC_32_IEEE_LE, 0xEDB88320, 0x3D5CDD04 },
      30             :         { AV_CRC_32_IEEE   , 0x04C11DB7, 0xC0F5BAE0 },
      31             :         { AV_CRC_24_IEEE   , 0x864CFB  , 0xB704CE   },
      32             :         { AV_CRC_16_ANSI_LE, 0xA001    , 0xBFD8     },
      33             :         { AV_CRC_16_ANSI   , 0x8005    , 0x1FBB     },
      34             :         { AV_CRC_8_ATM     , 0x07      , 0xE3       }
      35             :     };
      36             :     const AVCRC *ctx;
      37             : 
      38        2000 :     for (i = 0; i < sizeof(buf); i++)
      39        1999 :         buf[i] = i + i * i;
      40             : 
      41           7 :     for (i = 0; i < 6; i++) {
      42           6 :         ctx = av_crc_get_table(p[i][0]);
      43           6 :         printf("crc %08X = %X\n", p[i][1], av_crc(ctx, 0, buf, sizeof(buf)));
      44             :     }
      45           1 :     return 0;
      46             : }

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