src/libvidstab.c

   1 /*
   2  * libvidstab.c
   3  *
   4  *  Created on: Feb 21, 2011
   5  *  Copyright (C) Georg Martius - February 2011
   6  *
   7  *  This file is part of transcode, a video stream processing tool
   8  *
   9  *  transcode is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2, or (at your option)
  12  *  any later version.
  13  *
  14  *  transcode is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with GNU Make; see the file COPYING.  If not, write to
  21  *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  22  *
  23  */
  24
  25 #include "libvidstab.h"
  26
  27 #include <string.h>
  28 #include <stdio.h>
  29 #include <stdarg.h>
  30
  31 /**** default values for memory and logging ****/
  32
  33 /// memory allocation with zero initialization
  34 void* _zalloc(size_t size){
  35     return memset(malloc(size),0,size);
  36 }
  37
  38 /// logging function
  39 int _vs_log(int type, const char* tag, const char* format, ...){
  40     fprintf(stderr,"%s (%s):",
  41             type == VS_ERROR_TYPE ? "Error: " :
  42             type == VS_WARN_TYPE  ? "Warn:  " :
  43             type == VS_INFO_TYPE  ? "Info:  " :
  44             type == VS_MSG_TYPE   ? "Msg:   " : "Unknown",
  45             tag);
  46     va_list ap;
  47     va_start (ap, format);
  48     vfprintf (stderr, format, ap);
  49     va_end (ap);
  50     fprintf(stderr,"\n");
  51     return 0;
  52 }
  53
  54
  55 vs_malloc_t vs_malloc   = malloc;
  56 vs_realloc_t vs_realloc = realloc;
  57 vs_free_t vs_free       = free;
  58 vs_zalloc_t vs_zalloc   = _zalloc;
  59
  60 vs_strdup_t vs_strdup   = strdup;
  61
  62 vs_log_t vs_log         = _vs_log;
  63 int VS_ERROR_TYPE = 0;
  64 int VS_WARN_TYPE  = 1;
  65 int VS_INFO_TYPE  = 2;
  66 int VS_MSG_TYPE   = 3;
  67
  68 int VS_ERROR     = -1;
  69 int VS_OK        = 0;
  70
  71 /*
  72  * Local variables:
  73  *   c-file-style: "stroustrup"
  74  *   c-file-offsets: ((case-label . *) (statement-case-intro . *))
  75  *   indent-tabs-mode: nil
  76  * End:
  77  *
  78  * vim: expandtab shiftwidth=4:
  79  */