interpretor/libsndfile-1.0.25/programs/sndfile-metadata-get.c

   1 /*
   2 ** Copyright (C) 2008-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
   3 ** Copyright (C) 2008-2010 George Blood Audio
   4 **
   5 ** All rights reserved.
   6 **
   7 ** Redistribution and use in source and binary forms, with or without
   8 ** modification, are permitted provided that the following conditions are
   9 ** met:
  10 **
  11 **     * Redistributions of source code must retain the above copyright
  12 **       notice, this list of conditions and the following disclaimer.
  13 **     * Redistributions in binary form must reproduce the above copyright
  14 **       notice, this list of conditions and the following disclaimer in
  15 **       the documentation and/or other materials provided with the
  16 **       distribution.
  17 **     * Neither the author nor the names of any contributors may be used
  18 **       to endorse or promote products derived from this software without
  19 **       specific prior written permission.
  20 **
  21 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  23 ** TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  24 ** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  25 ** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  26 ** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  27 ** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  28 ** OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  29 ** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  30 ** OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  31 ** ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32 */
  33
  34 #include <config.h>
  35
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include <ctype.h>
  40 #include <time.h>
  41
  42 #include <sndfile.h>
  43
  44 #include "common.h"
  45
  46 #define BUFFER_LEN              (1 << 16)
  47
  48 static void usage_exit (const char *progname, int exit_code) ;
  49 static void process_args (SNDFILE * file, const SF_BROADCAST_INFO_2K * binfo, int argc, char * argv []) ;
  50
  51 int
  52 main (int argc, char *argv [])
  53 {       SNDFILE *file ;
  54         SF_INFO sfinfo ;
  55         SF_BROADCAST_INFO_2K binfo ;
  56         const char *progname ;
  57         const char * filename = NULL ;
  58         int     start ;
  59
  60         /* Store the program name. */
  61         progname = program_name (argv [0]) ;
  62
  63         /* Check if we've been asked for help. */
  64         if (argc <= 2 || strcmp (argv [1], "--help") == 0 || strcmp (argv [1], "-h") == 0)
  65                 usage_exit (progname, 0) ;
  66
  67         if (argv [argc - 1][0] != '-')
  68         {       filename = argv [argc - 1] ;
  69                 start = 1 ;
  70                 }
  71         else if (argv [1][0] != '-')
  72         {       filename = argv [1] ;
  73                 start = 2 ;
  74                 }
  75         else
  76         {       printf ("Error : Either the first or the last command line parameter should be a filename.\n\n") ;
  77                 exit (1) ;
  78                 } ;
  79
  80         /* Get the time in case we need it later. */
  81         memset (&sfinfo, 0, sizeof (sfinfo)) ;
  82         if ((file = sf_open (filename, SFM_READ, &sfinfo)) == NULL)
  83         {       printf ("Error : Open of file '%s' failed : %s\n\n", filename, sf_strerror (file)) ;
  84                 exit (1) ;
  85                 } ;
  86
  87         memset (&binfo, 0, sizeof (binfo)) ;
  88         if (sf_command (file, SFC_GET_BROADCAST_INFO, &binfo, sizeof (binfo)) == 0)
  89                 memset (&binfo, 0, sizeof (binfo)) ;
  90
  91         process_args (file, &binfo, argc - 2, argv + start) ;
  92
  93         sf_close (file) ;
  94         return 0 ;
  95 } /* main */
  96
  97 /*==============================================================================
  98 **      Print version and usage.
  99 */
 100
 101 static void
 102 usage_exit (const char *progname, int exit_code)
 103 {       printf ("\nUsage :\n  %s [options] <file>\n\nOptions:\n", progname) ;
 104
 105         puts (
 106                 "    --bext-description    Print the 'bext' description.\n"
 107                 "    --bext-originator     Print the 'bext; originator info.\n"
 108                 "    --bext-orig-ref       Print the 'bext' origination reference.\n"
 109                 "    --bext-umid           Print the 'bext' UMID.\n"
 110                 "    --bext-orig-date      Print the 'bext' origination date.\n"
 111                 "    --bext-orig-time      Print the 'bext' origination time.\n"
 112                 "    --bext-coding-hist    Print the 'bext' coding history.\n"
 113                 ) ;
 114
 115         puts (
 116                 "    --str-title           Print the title metadata.\n"
 117                 "    --str-copyright       Print the copyright metadata.\n"
 118                 "    --str-artist          Print the artist metadata.\n"
 119                 "    --str-comment         Print the comment metadata.\n"
 120                 "    --str-date            Print the creation date metadata.\n"
 121                 "    --str-album           Print the album metadata.\n"
 122                 "    --str-license         Print the license metadata.\n"
 123                 ) ;
 124
 125         printf ("Using %s.\n\n", sf_version_string ()) ;
 126         exit (exit_code) ;
 127 } /* usage_exit */
 128
 129 static void
 130 process_args (SNDFILE * file, const SF_BROADCAST_INFO_2K * binfo, int argc, char * argv [])
 131 {       const char * str ;
 132         int k, do_all = 0 ;
 133
 134 #define HANDLE_BEXT_ARG(cmd,name,field) \
 135                 if (do_all || strcmp (argv [k], cmd) == 0) \
 136                 {       printf ("%-20s : %.*s\n", name, (int) sizeof (binfo->field), binfo->field) ; \
 137                         if (! do_all) \
 138                                 continue ; \
 139                         } ;
 140
 141 #define HANDLE_STR_ARG(cmd,name,id) \
 142                 if (do_all || strcmp (argv [k], cmd) == 0) \
 143                 {       str = sf_get_string (file, id) ; \
 144                         printf ("%-20s : %s\n", name, str ? str : "") ; \
 145                         if (! do_all) continue ; \
 146                         } ;
 147
 148         for (k = 0 ; k < argc ; k++)
 149         {       if (do_all || strcmp (argv [k], "--all") == 0)
 150                         do_all = 1 ;
 151
 152                 HANDLE_BEXT_ARG ("--bext-description", "Description", description) ;
 153                 HANDLE_BEXT_ARG ("--bext-originator", "Originator", originator) ;
 154                 HANDLE_BEXT_ARG ("--bext-orig-ref", "Origination ref", originator_reference) ;
 155                 HANDLE_BEXT_ARG ("--bext-umid", "UMID", umid) ;
 156                 HANDLE_BEXT_ARG ("--bext-orig-date", "Origination date", origination_date) ;
 157                 HANDLE_BEXT_ARG ("--bext-orig-time", "Origination time", origination_time) ;
 158                 HANDLE_BEXT_ARG ("--bext-coding-hist", "Coding history", coding_history) ;
 159
 160                 HANDLE_STR_ARG ("--str-title", "Name", SF_STR_TITLE) ;
 161                 HANDLE_STR_ARG ("--str-copyright", "Copyright", SF_STR_COPYRIGHT) ;
 162                 HANDLE_STR_ARG ("--str-artist", "Artist", SF_STR_ARTIST) ;
 163                 HANDLE_STR_ARG ("--str-comment", "Comment", SF_STR_COMMENT) ;
 164                 HANDLE_STR_ARG ("--str-date", "Create date", SF_STR_DATE) ;
 165                 HANDLE_STR_ARG ("--str-album", "Album", SF_STR_ALBUM) ;
 166                 HANDLE_STR_ARG ("--str-license", "License", SF_STR_LICENSE) ;
 167
 168                 if (! do_all)
 169                 {       printf ("Error : Don't know what to do with command line arg '%s'.\n\n", argv [k]) ;
 170                         exit (1) ;
 171                         } ;
 172                 break ;
 173                 } ;
 174
 175         return ;
 176 } /* process_args */