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/*
* Part of cue-bin-split - Splits raw PCM files on time boundaries
* Copyright (c) 2015 David Phillips <dbphillipsnz@gmail.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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 "misc.h"
/* Grabs a 'mm:ss:ff' stamp from stdin */
double get_sec()
{
int mm = 0;
int ss = 0;
int ff = 0;
int items = fscanf(stdin, "%d:%d:%d\n", &mm, &ss, &ff);
/* EOF means this is the last track; return invalid time */
if (items == EOF)
return -1;
if (items != 3)
{
/* FIXME doesn't explicitly close fin from cue-bin-split.c upon exit() */
fprintf(stderr, "Timestamp malformed\n");
exit(-1);
}
return SEC_FROM_TS(mm, ss, ff);
}
/* Constructs an output filename in the specified buffer based on the given format and track number
* Main purpose is to catch buffer overflow with snprintf
*/
int construct_out_name(char *buffer, size_t buffer_size, char* format, unsigned int track)
{
if (snprintf(buffer, buffer_size, format, track) == buffer_size)
{
fprintf(stderr, "Filename too large for buffer (max %zd)\n", buffer_size);
return -1;
}
return 0;
}
/* Displays the help/syntax message and dies
* Does what it says on the tin
*/
void die_help()
{
fprintf(stderr,
"\n"
"Options: \n"
" -r bitrate_Hz\n"
" -c channel_count\n"
" -i input_file\n"
" -s size of a single channel's sample (bytes)\n"
" -f name_format (%%d and co are replaced with track number)\n"
);
exit(1);
}
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