LCOV - code coverage report
Current view: top level - src/libavcodec/tests - golomb.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 33 41 80.5 %
Date: 2017-01-19 23:52:33 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
       3             :  *
       4             :  * This file is part of FFmpeg.
       5             :  *
       6             :  * FFmpeg is free software; you can redistribute it and/or
       7             :  * modify it under the terms of the GNU Lesser General Public
       8             :  * License as published by the Free Software Foundation; either
       9             :  * version 2.1 of the License, or (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 GNU
      14             :  * Lesser General Public License for more details.
      15             :  *
      16             :  * You should have received a copy of the GNU Lesser General Public
      17             :  * License along with FFmpeg; if not, write to the Free Software
      18             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      19             :  */
      20             : 
      21             : #include <stdint.h>
      22             : #include <stdio.h>
      23             : 
      24             : #include "libavutil/mem.h"
      25             : 
      26             : #include "libavcodec/get_bits.h"
      27             : #include "libavcodec/golomb.h"
      28             : #include "libavcodec/put_bits.h"
      29             : 
      30             : #define COUNT 8191
      31             : #define SIZE (COUNT * 4)
      32             : 
      33           1 : int main(void)
      34             : {
      35           1 :     int i, ret = 0;
      36             :     uint8_t *temp;
      37             :     PutBitContext pb;
      38             :     GetBitContext gb;
      39             : 
      40           1 :     temp = av_malloc(SIZE);
      41           1 :     if (!temp)
      42           0 :         return 2;
      43             : 
      44           1 :     init_put_bits(&pb, temp, SIZE);
      45        8192 :     for (i = 0; i < COUNT; i++)
      46        8191 :         set_ue_golomb(&pb, i);
      47           1 :     flush_put_bits(&pb);
      48             : 
      49           1 :     init_get_bits(&gb, temp, 8 * SIZE);
      50        8192 :     for (i = 0; i < COUNT; i++) {
      51        8191 :         int j, s = show_bits(&gb, 25);
      52             : 
      53        8191 :         j = get_ue_golomb(&gb);
      54        8191 :         if (j != i) {
      55           0 :             fprintf(stderr, "get_ue_golomb: expected %d, got %d. bits: %7x\n",
      56             :                     i, j, s);
      57           0 :             ret = 1;
      58             :         }
      59             :     }
      60             : 
      61             : #define EXTEND(i) ((i) << 3 | (i) & 7)
      62           1 :     init_put_bits(&pb, temp, SIZE);
      63        8192 :     for (i = 0; i < COUNT; i++)
      64        8191 :         set_ue_golomb(&pb, EXTEND(i));
      65           1 :     flush_put_bits(&pb);
      66             : 
      67           1 :     init_get_bits(&gb, temp, 8 * SIZE);
      68        8192 :     for (i = 0; i < COUNT; i++) {
      69        8191 :         int j, s = show_bits_long(&gb, 32);
      70             : 
      71        8191 :         j = get_ue_golomb_long(&gb);
      72        8191 :         if (j != EXTEND(i)) {
      73           0 :             fprintf(stderr, "get_ue_golomb_long: expected %d, got %d. "
      74           0 :                     "bits: %8x\n", EXTEND(i), j, s);
      75           0 :             ret = 1;
      76             :         }
      77             :     }
      78             : 
      79           1 :     init_put_bits(&pb, temp, SIZE);
      80        8192 :     for (i = 0; i < COUNT; i++)
      81        8191 :         set_se_golomb(&pb, i - COUNT / 2);
      82           1 :     flush_put_bits(&pb);
      83             : 
      84           1 :     init_get_bits(&gb, temp, 8 * SIZE);
      85        8192 :     for (i = 0; i < COUNT; i++) {
      86        8191 :         int j, s = show_bits(&gb, 25);
      87             : 
      88        8191 :         j = get_se_golomb(&gb);
      89        8191 :         if (j != i - COUNT / 2) {
      90           0 :             fprintf(stderr, "get_se_golomb: expected %d, got %d. bits: %7x\n",
      91             :                     i - COUNT / 2, j, s);
      92           0 :             ret = 1;
      93             :         }
      94             :     }
      95             : 
      96           1 :     av_free(temp);
      97             : 
      98           1 :     return ret;
      99             : }

Generated by: LCOV version 1.12