mirror of
https://github.com/ZDoom/gzdoom.git
synced 2024-11-16 09:21:43 +00:00
58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
|
/* Records SPC into wave file. Uses dsp_filter to give more authentic sound.
|
||
|
|
|
||
|
|
Usage: play_spc [test.spc]
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "snes_spc/spc.h"
|
||
|
|
|
||
|
|
#include "wave_writer.h"
|
||
|
|
#include "demo_util.h" /* error(), load_file() */
|
||
|
|
|
||
|
|
int main( int argc, char** argv )
|
||
|
|
{
|
||
|
|
/* Create emulator and filter */
|
||
|
|
SNES_SPC* snes_spc = spc_new();
|
||
|
|
SPC_Filter* filter = spc_filter_new();
|
||
|
|
if ( !snes_spc || !filter ) error( "Out of memory" );
|
||
|
|
|
||
|
|
/* Load SPC */
|
||
|
|
{
|
||
|
|
/* Load file into memory */
|
||
|
|
long spc_size;
|
||
|
|
void* spc = load_file( (argc > 1) ? argv [1] : "test.spc", &spc_size );
|
||
|
|
|
||
|
|
/* Load SPC data into emulator */
|
||
|
|
error( spc_load_spc( snes_spc, spc, spc_size ) );
|
||
|
|
free( spc ); /* emulator makes copy of data */
|
||
|
|
|
||
|
|
/* Most SPC files have garbage data in the echo buffer, so clear that */
|
||
|
|
spc_clear_echo( snes_spc );
|
||
|
|
|
||
|
|
/* Clear filter before playing */
|
||
|
|
spc_filter_clear( filter );
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Record 20 seconds to wave file */
|
||
|
|
wave_open( spc_sample_rate, "out.wav" );
|
||
|
|
wave_enable_stereo();
|
||
|
|
while ( wave_sample_count() < 20 * spc_sample_rate * 2 )
|
||
|
|
{
|
||
|
|
/* Play into buffer */
|
||
|
|
#define BUF_SIZE 2048
|
||
|
|
short buf [BUF_SIZE];
|
||
|
|
error( spc_play( snes_spc, BUF_SIZE, buf ) );
|
||
|
|
|
||
|
|
/* Filter samples */
|
||
|
|
spc_filter_run( filter, buf, BUF_SIZE );
|
||
|
|
|
||
|
|
wave_write( buf, BUF_SIZE );
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Cleanup */
|
||
|
|
spc_filter_delete( filter );
|
||
|
|
spc_delete( snes_spc );
|
||
|
|
wave_close();
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|