sndfile-metadata-set.c
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上传日期:2022-01-05
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- /*
- ** Copyright (C) 2008 George Blood Audio
- ** Written by Erik de Castro Lopo <erikd@mega-nerd.com>
- **
- ** All rights reserved.
- **
- ** Redistribution and use in source and binary forms, with or without
- ** modification, are permitted provided that the following conditions are
- ** met:
- **
- ** * Redistributions of source code must retain the above copyright
- ** notice, this list of conditions and the following disclaimer.
- ** * Redistributions in binary form must reproduce the above copyright
- ** notice, this list of conditions and the following disclaimer in
- ** the documentation and/or other materials provided with the
- ** distribution.
- ** * Neither the author nor the names of any contributors may be used
- ** to endorse or promote products derived from this software without
- ** specific prior written permission.
- **
- ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- ** TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- ** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- ** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- ** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- ** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- ** OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- ** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- ** OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- ** ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #include <config.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <ctype.h>
- #include <time.h>
- #include <sndfile.h>
- #include "common.h"
- #define BUFFER_LEN (1 << 16)
- static void usage_exit (const char *progname, int exit_code) ;
- static void missing_param (const char * option) ;
- static void read_localtime (struct tm * timedata) ;
- static int has_bext_fields_set (const METADATA_INFO * info) ;
- int
- main (int argc, char *argv [])
- { METADATA_INFO info ;
- struct tm timedata ;
- const char *progname ;
- const char * filenames [2] = { NULL, NULL } ;
- int k ;
- /* Store the program name. */
- progname = strrchr (argv [0], '/') ;
- progname = progname ? progname + 1 : argv [0] ;
- /* Check if we've been asked for help. */
- if (argc < 3 || strcmp (argv [1], "--help") == 0 || strcmp (argv [1], "-h") == 0)
- usage_exit (progname, 0) ;
- /* Clear set all fields of the struct to zero bytes. */
- memset (&info, 0, sizeof (info)) ;
- /* Get the time in case we need it later. */
- read_localtime (&timedata) ;
- for (k = 1 ; k < argc ; k++)
- { char tmp [20] ;
- if (argv [k][0] != '-')
- { if (filenames [0] == NULL)
- filenames [0] = argv [k] ;
- else if (filenames [1] == NULL)
- filenames [1] = argv [k] ;
- else
- { printf ("Error : Already have two file names on the command line and then found '%s'.nn", argv [k]) ;
- usage_exit (progname, 1) ;
- } ;
- continue ;
- } ;
- #define HANDLE_BEXT_ARG(cmd,field)
- if (strcmp (argv [k], cmd) == 0)
- { k ++ ;
- if (k == argc) missing_param (argv [k - 1]) ;
- info.field = argv [k] ;
- continue ;
- } ;
- HANDLE_BEXT_ARG ("--bext-description", description) ;
- HANDLE_BEXT_ARG ("--bext-originator", originator) ;
- HANDLE_BEXT_ARG ("--bext-orig-ref", originator_reference) ;
- HANDLE_BEXT_ARG ("--bext-umid", umid) ;
- HANDLE_BEXT_ARG ("--bext-orig-date", origination_date) ;
- HANDLE_BEXT_ARG ("--bext-orig-time", origination_time) ;
- HANDLE_BEXT_ARG ("--bext-coding-hist", coding_history) ;
- #define HANDLE_STR_ARG(cmd,field)
- if (strcmp (argv [k], cmd) == 0)
- { k ++ ;
- if (k == argc) missing_param (argv [k - 1]) ;
- info.field = argv [k] ;
- continue ;
- } ;
- HANDLE_STR_ARG ("--str-title", title) ;
- HANDLE_STR_ARG ("--str-copyright", copyright) ;
- HANDLE_STR_ARG ("--str-artist", artist) ;
- HANDLE_STR_ARG ("--str-date", date) ;
- HANDLE_STR_ARG ("--str-album", album) ;
- HANDLE_STR_ARG ("--str-license", license) ;
- /* Following options do not take an argument. */
- if (strcmp (argv [k], "--bext-auto-time-date") == 0)
- { snprintf (tmp, sizeof (tmp), "%02d:%02d:%02d", timedata.tm_hour, timedata.tm_min, timedata.tm_sec) ;
- info.origination_time = strdup (tmp) ;
- snprintf (tmp, sizeof (tmp), "%04d-%02d-%02d", timedata.tm_year + 1900, timedata.tm_mon + 1, timedata.tm_mday) ;
- info.origination_date = strdup (tmp) ;
- continue ;
- } ;
- if (strcmp (argv [k], "--bext-auto-time") == 0)
- { snprintf (tmp, sizeof (tmp), "%02d:%02d:%02d", timedata.tm_hour, timedata.tm_min, timedata.tm_sec) ;
- info.origination_time = strdup (tmp) ;
- continue ;
- } ;
- if (strcmp (argv [k], "--bext-auto-date") == 0)
- { snprintf (tmp, sizeof (tmp), "%04d-%02d-%02d", timedata.tm_year + 1900, timedata.tm_mon + 1, timedata.tm_mday) ;
- info.origination_date = strdup (tmp) ;
- continue ;
- } ;
- if (strcmp (argv [k], "--str-auto-date") == 0)
- { snprintf (tmp, sizeof (tmp), "%04d-%02d-%02d", timedata.tm_year + 1900, timedata.tm_mon + 1, timedata.tm_mday) ;
- info.date = strdup (tmp) ;
- continue ;
- } ;
- printf ("Error : Don't know what to do with command line arg '%s'.nn", argv [k]) ;
- usage_exit (progname, 1) ;
- } ;
- /* Find out if any of the 'bext' fields are set. */
- info.has_bext_fields = has_bext_fields_set (&info) ;
- if (filenames [0] == NULL)
- { printf ("Error : No input file specificed.nn") ;
- exit (1) ;
- } ;
- if (filenames [1] != NULL && strcmp (filenames [0], filenames [1]) == 0)
- { printf ("Error : Input and output files are the same.nn") ;
- exit (1) ;
- } ;
- if (info.coding_history != NULL && filenames [1] == NULL)
- { printf ("n"
- "Error : Trying to update coding history of an existing file which unfortunatelyn"
- " is not supported. Instead, create a new file using :n"
- "n"
- " %s --bext-coding-hist "Coding history" old_file.wav new_file.wavn"
- "n",
- progname) ;
- exit (1) ;
- } ;
- sfe_apply_metadata_changes (filenames, &info) ;
- return 0 ;
- } /* main */
- /*==============================================================================
- ** Print version and usage.
- */
- static void
- usage_exit (const char *progname, int exit_code)
- { printf ("nUsage :nn"
- " %s [options] <file>n"
- " %s [options] <input file> <output file>n"
- "n",
- progname, progname) ;
- puts (
- "Where an option is made up of a pair of a field to set (one ofn"
- "the 'bext' or metadata fields below) and a string. Fields aren"
- "as follows :n"
- ) ;
- puts (
- " --bext-description Set the 'bext' description.n"
- " --bext-originator Set the 'bext' originator.n"
- " --bext-orig-ref Set the 'bext' originator reference.n"
- " --bext-umid Set the 'bext' UMID.n"
- " --bext-orig-date Set the 'bext' origination date.n"
- " --bext-orig-time Set the 'bext' origination time.n"
- " --bext-coding-hist Set the 'bext' coding historyn"
- "n"
- " --str-title Set the metadata title.n"
- " --str-copyright Set the metadata copyright.n"
- " --str-artist Set the metadata artist.n"
- " --str-date Set the metadata date.n"
- " --str-album Set the metadata album.n"
- " --str-license Set the metadata license.n"
- ) ;
- puts (
- "There are also the following arguments which do not take an"
- "parameter :nn"
- " --bext-auto-time-date Set the 'bext' time and date to current time/date.n"
- " --bext-auto-time Set the 'bext' time to current time.n"
- " --bext-auto-date Set the 'bext' date to current date.n"
- " --str-auto-date Set the metadata date to current date.n"
- ) ;
- puts (
- "Most of the above operations can be done in-place on an existingn"
- "file. If any operation cannot be performed, the application willn"
- "exit with an appropriate error message.n"
- ) ;
- exit (exit_code) ;
- } /* usage_exit */
- static void
- missing_param (const char * option)
- {
- printf ("Error : Option '%s' needs a parameter but doesn't seem to have one.nn", option) ;
- exit (1) ;
- } /* missing_param */
- /*==============================================================================
- */
- static int
- has_bext_fields_set (const METADATA_INFO * info)
- {
- if (info->description || info->originator || info->originator_reference)
- return 1 ;
- if (info->origination_date || info->origination_time || info->umid || info->coding_history)
- return 1 ;
- return 0 ;
- } /* has_bext_fields_set */
- static void
- read_localtime (struct tm * timedata)
- { time_t current ;
- time (¤t) ;
- memset (timedata, 0, sizeof (struct tm)) ;
- #if defined (HAVE_LOCALTIME_R)
- /* If the re-entrant version is available, use it. */
- localtime_r (¤t, timedata) ;
- #elif defined (HAVE_LOCALTIME)
- {
- struct tm *tmptr ;
- /* Otherwise use the standard one and copy the data to local storage. */
- if ((tmptr = localtime (¤t)) != NULL)
- memcpy (timedata, tmptr, sizeof (struct tm)) ;
- }
- #endif
- return ;
- } /* read_localtime */