comparison src/libsndfile-1.0.27/programs/sndfile-metadata-set.c @ 125:cd6cdf86811e

Current libsndfile source

+/*
+** Copyright (C) 2008-2016 Erik de Castro Lopo <[e-mail]>
+** Copyright (C) 2008-2010 George Blood Audio
+**
+** 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 } ;
+	char date [128], time [128] ;
+	int	k ;
+
+	/* Store the program name. */
+	progname = program_name (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) ;
+
+	/* 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++)
+	{	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'.\n\n", 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) ;
+		HANDLE_BEXT_ARG ("--bext-time-ref", time_ref) ;
+
+#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-comment", comment) ;
+		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 (time, sizeof (time), "%02d:%02d:%02d", timedata.tm_hour, timedata.tm_min, timedata.tm_sec) ;
+			info.origination_time = time ;
+
+			snprintf (date, sizeof (date), "%04d-%02d-%02d", timedata.tm_year + 1900, timedata.tm_mon + 1, timedata.tm_mday) ;
+			info.origination_date = date ;
+			continue ;
+			} ;
+
+		if (strcmp (argv [k], "--bext-auto-time") == 0)
+		{	snprintf (time, sizeof (time), "%02d:%02d:%02d", timedata.tm_hour, timedata.tm_min, timedata.tm_sec) ;
+			info.origination_time = time ;
+			continue ;
+			} ;
+
+		if (strcmp (argv [k], "--bext-auto-date") == 0)
+		{	snprintf (date, sizeof (date), "%04d-%02d-%02d", timedata.tm_year + 1900, timedata.tm_mon + 1, timedata.tm_mday) ;
+			info.origination_date = strdup (date) ;
+			continue ;
+			} ;
+
+		if (strcmp (argv [k], "--str-auto-date") == 0)
+		{	snprintf (date, sizeof (date), "%04d-%02d-%02d", timedata.tm_year + 1900, timedata.tm_mon + 1, timedata.tm_mday) ;
+
+			info.date = strdup (date) ;
+			continue ;
+			} ;
+
+		printf ("Error : Don't know what to do with command line arg '%s'.\n\n", 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.\n\n") ;
+		exit (1) ;
+		} ;
+
+	if (filenames [1] != NULL && strcmp (filenames [0], filenames [1]) == 0)
+	{	printf ("Error : Input and output files are the same.\n\n") ;
+		exit (1) ;
+		} ;
+
+	if (info.coding_history != NULL && filenames [1] == NULL)
+	{	printf ("\n"
+			"Error : Trying to update coding history of an existing file which unfortunately\n"
+			"        is not supported. Instead, create a new file using :\n"
+			"\n"
+			"        %s --bext-coding-hist \"Coding history\" old_file.wav new_file.wav\n"
+			"\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 :\n\n"
+		"  %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 of\n"
+		"the 'bext' or metadata fields below) and a string. Fields are\n"
+		"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 history.\n"
+		"    --bext-time-ref          Set the 'bext' Time ref.\n"
+		"\n"
+		"    --str-comment            Set the metadata comment.\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 a\n"
+		"parameter :\n\n"
+		"    --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 existing\n"
+		"file. If any operation cannot be performed, the application will\n"
+		"exit with an appropriate error message.\n"
+		) ;
+
+	printf ("Using %s.\n\n", sf_version_string ()) ;
+	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.\n\n", 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 || info->time_ref)
+		return 1 ;
+
+	return 0 ;
+} /* has_bext_fields_set */
+
+static void
+read_localtime (struct tm * timedata)
+{	time_t		current ;
+
+	time (&current) ;
+	memset (timedata, 0, sizeof (struct tm)) ;
+
+#if defined (HAVE_LOCALTIME_R)
+	/* If the re-entrant version is available, use it. */
+	localtime_r (&current, timedata) ;
+#elif defined (HAVE_LOCALTIME)
+	{
+		struct tm	*tmptr ;
+		/* Otherwise use the standard one and copy the data to local storage. */
+		if ((tmptr = localtime (&current)) != NULL)
+			memcpy (timedata, tmptr, sizeof (struct tm)) ;
+	}
+#endif
+
+	return ;
+} /* read_localtime */
+