|
rlm@2
|
1 /* Records SPC into wave file. Uses dsp_filter to give more authentic sound.
|
|
rlm@2
|
2
|
|
rlm@3
|
3 Usage: spc_convert -s seconds -i input.spc -o output.wav
|
|
rlm@2
|
4 */
|
|
rlm@2
|
5
|
|
rlm@2
|
6 #include "snes_spc/spc.h"
|
|
rlm@2
|
7
|
|
rlm@2
|
8 #include "demo/wave_writer.h"
|
|
rlm@2
|
9 #include "demo/demo_util.h" /* error(), load_file() */
|
|
rlm@2
|
10
|
|
rlm@2
|
11 int main( int argc, char** argv )
|
|
rlm@2
|
12 {
|
|
rlm@2
|
13 /* Create emulator and filter */
|
|
rlm@2
|
14 SNES_SPC* snes_spc = spc_new();
|
|
rlm@2
|
15 SPC_Filter* filter = spc_filter_new();
|
|
rlm@2
|
16 if ( !snes_spc || !filter ) error( "Out of memory" );
|
|
rlm@3
|
17
|
|
rlm@3
|
18 int seconds = atoi(argv[2]);
|
|
rlm@3
|
19
|
|
rlm@8
|
20 if (argc != 7) {
|
|
rlm@8
|
21 error("Incorrect Arguments\n Sample invocation: \n spc_convert -s 5 -i input.spc -o output.wav");
|
|
rlm@8
|
22 }
|
|
rlm@8
|
23
|
|
rlm@3
|
24 if (seconds <=0){
|
|
rlm@3
|
25 error("seconds must be positive.");
|
|
rlm@3
|
26 }
|
|
rlm@3
|
27
|
|
rlm@2
|
28 /* Load SPC */
|
|
rlm@2
|
29 {
|
|
rlm@2
|
30 /* Load file into memory */
|
|
rlm@2
|
31 long spc_size;
|
|
rlm@3
|
32 void* spc = load_file( argv[4] , &spc_size );
|
|
rlm@2
|
33
|
|
rlm@2
|
34 /* Load SPC data into emulator */
|
|
rlm@2
|
35 error( spc_load_spc( snes_spc, spc, spc_size ) );
|
|
rlm@2
|
36 free( spc ); /* emulator makes copy of data */
|
|
rlm@2
|
37
|
|
rlm@2
|
38 /* Most SPC files have garbage data in the echo buffer, so clear that */
|
|
rlm@2
|
39 spc_clear_echo( snes_spc );
|
|
rlm@2
|
40
|
|
rlm@2
|
41 /* Clear filter before playing */
|
|
rlm@2
|
42 spc_filter_clear( filter );
|
|
rlm@2
|
43 }
|
|
rlm@2
|
44
|
|
rlm@2
|
45 /* Record 20 seconds to wave file */
|
|
rlm@3
|
46 wave_open( spc_sample_rate, argv[6] );
|
|
rlm@2
|
47 wave_enable_stereo();
|
|
rlm@3
|
48 while ( wave_sample_count() < seconds * spc_sample_rate * 2 )
|
|
rlm@2
|
49 {
|
|
rlm@2
|
50 /* Play into buffer */
|
|
rlm@2
|
51 #define BUF_SIZE 2048
|
|
rlm@2
|
52 short buf [BUF_SIZE];
|
|
rlm@2
|
53 error( spc_play( snes_spc, BUF_SIZE, buf ) );
|
|
rlm@2
|
54
|
|
rlm@2
|
55 /* Filter samples */
|
|
rlm@2
|
56 spc_filter_run( filter, buf, BUF_SIZE );
|
|
rlm@2
|
57
|
|
rlm@2
|
58 wave_write( buf, BUF_SIZE );
|
|
rlm@2
|
59 }
|
|
rlm@2
|
60
|
|
rlm@2
|
61 /* Cleanup */
|
|
rlm@2
|
62 spc_filter_delete( filter );
|
|
rlm@2
|
63 spc_delete( snes_spc );
|
|
rlm@2
|
64 wave_close();
|
|
rlm@2
|
65
|
|
rlm@2
|
66 return 0;
|
|
rlm@2
|
67 }
|
