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/*-
* Copyright (c) 2005 Boris Mikhaylov
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include <string.h>
/* MSVC: /I "$(ProjectDir)\..\sndfile" */
/* gcc: -I../libsndfile-1.0.17/src */
#include <sndfile.h>
#include "bs2b.h"
#define BUFFER_LEN 1024 /* must be multiply of 2 */
static void copy_metadata( SNDFILE *outfile, SNDFILE *infile );
static void copy_data( SNDFILE *outfile, SNDFILE *infile, t_bs2bdp bs2bdp );
static void print_usage( char *progname )
{
printf( "\n"
" Bauer stereophonic-to-binaural DSP converter. "
"Version %s\n",
BS2B_VERSION_STR );
printf( "Usage : %s [-x] <input file> <output file>\n", progname );
printf( "\n"
" 'x' is number of:\n"
" 1,2,3 - Low to High crossfeed levels,\n"
" 4,5,6 - Low to High crossfeed levels of 'Easy' version\n"
" The default crossfeed level is 6\n" );
} /* print_usage() */
int main( int argc, char *argv[] )
{
char *progname, *infilename, *outfilename, *tmpstr;
SNDFILE *infile = NULL, *outfile = NULL;
SF_INFO sfinfo;
t_bs2bdp bs2bdp;
uint32_t srate;
uint32_t level;
tmpstr = strrchr( argv[ 0 ], '/' );
tmpstr = tmpstr ? tmpstr + 1 : argv[ 0 ];
progname = strrchr( tmpstr, '\\' );
progname = progname ? progname + 1 : tmpstr;
if( argc < 3 || argc > 4 )
{
print_usage( progname );
return 1;
}
infilename = argv[ argc - 2 ];
outfilename = argv[ argc - 1 ];
level = BS2B_DEFAULT_CLEVEL;
if( argc == 4 )
{
if( ( !argv[ 1 ][ 1 ] ) || ( argv[ 1 ][ 0 ] != '-' ) )
{
print_usage( progname );
return 1;
}
switch( argv[ 1 ][ 1 ] )
{
case '1':
level = BS2B_LOW_CLEVEL;
break;
case '2':
level = BS2B_MIDDLE_CLEVEL;
break;
case '3':
level = BS2B_HIGH_CLEVEL;
break;
case '4':
level = BS2B_LOW_ECLEVEL;
break;
case '5':
level = BS2B_MIDDLE_ECLEVEL;
break;
} /* switch */
}
if( strcmp( infilename, outfilename ) == 0 )
{
puts( "Error : Input and output filenames are the same.\n\n" );
print_usage( progname );
return 1;
}
if( ( infile = sf_open( infilename, SFM_READ, &sfinfo ) ) == NULL )
{
printf( "Not able to open input file %s.\n", infilename );
puts( sf_strerror( NULL ) );
return 1;
}
if( sfinfo.channels != 2 )
{
puts( "Input file is not a stereo.\n" );
sf_close( infile );
return 1;
}
srate = sfinfo.samplerate;
/* Open the output file. */
if( ( outfile = sf_open( outfilename, SFM_WRITE, &sfinfo ) ) == NULL )
{
printf( "Not able to open output file %s : %s\n", outfilename, sf_strerror( NULL ) );
sf_close( infile );
return 1;
}
{
char *levels[] = { "low", "middle", "high", "low easy", "middle easy", "high easy" };
printf( "Converting file %s to file %s\nsample rate=%u, crossfeed level=%s...",
infilename, outfilename, srate, levels[ level - 1 ] );
}
if( !( bs2bdp = bs2b_open() ) )
{
puts( "Not able to allocate data\n" );
sf_close( infile );
sf_close( outfile );
return 1;
}
bs2b_set_srate( bs2bdp, srate );
bs2b_set_level( bs2bdp, level );
copy_metadata( outfile, infile );
copy_data( outfile, infile, bs2bdp );
bs2b_close( bs2bdp );
bs2bdp = 0;
sf_close( infile );
sf_close( outfile );
puts( " done\n" );
return 0;
} /* main() */
static void copy_metadata( SNDFILE *outfile, SNDFILE *infile )
{
const char *str;
int k, err = 0;
for( k = SF_STR_FIRST; k <= SF_STR_LAST; k++ )
{
str = sf_get_string( infile, k );
if( str != NULL )
err = sf_set_string( outfile, k, str );
}
err = sf_set_string( outfile, SF_STR_COMMENT, "CROSSFEEDED" );
} /* copy_metadata() */
static void copy_data( SNDFILE *outfile, SNDFILE *infile, t_bs2bdp bs2bdp )
{
static double data[ BUFFER_LEN ];
int readcount;
for( ;; )
{
readcount = ( int )sf_read_double( infile, data, BUFFER_LEN );
if( readcount < 2 ) break;
#if ((BS2B_VERSION_MAJOR != 2) || (BS2B_VERSION_MINOR != 3) || (BS2B_VERSION_RELEASE != 0))
# error Stupid compile fix by sping, proper fix needed before next release
bs2b_cross_feed_dne( bs2bdp, data, readcount / 2 );
#else
bs2b_cross_feed_dle( bs2bdp, data, readcount / 2 );
#endif
sf_write_double( outfile, data, readcount );
}
} /* copy_data() */
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