ref: 6763cba31dea9a680d10d085e5e8e3f04e8cf3ce
dir: /src/cdr.c/
/*
* File format: cdda (c) 2006-8 SoX contributors
* Based on an original idea by David Elliott
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
* General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, write to the Free Software Foundation,
* Fifth Floor, 51 Franklin Street, Boston, MA 02111-1301, USA.
*/
#include "sox_i.h"
static int start(sox_format_t * ft)
{
return sox_check_read_params(ft, 2, 44100., SOX_ENCODING_SIGN2, 16, (off_t)0);
}
static int stopwrite(sox_format_t * ft)
{
sox_size_t const sector_num_samples = 588 * ft->signal.channels;
sox_size_t i = ft->olength % sector_num_samples;
if (i) while (i++ < sector_num_samples) /* Pad with silence to multiple */
sox_writew(ft, 0); /* of 1/75th of a second. */
return SOX_SUCCESS;
}
SOX_FORMAT_HANDLER(cdr)
{
static char const * const names[] = {"cdda", "cdr", NULL};
static unsigned const write_encodings[] = {SOX_ENCODING_SIGN2, 16, 0, 0};
static sox_rate_t const write_rates[] = {44100, 0};
static sox_format_handler_t handler = {
"Red Book Compact Disc Digital Audio",
names, SOX_FILE_BIG_END|SOX_FILE_STEREO,
start, sox_rawread, NULL,
NULL, sox_rawwrite, stopwrite,
sox_rawseek, write_encodings, write_rates
};
return &handler;
}