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60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
/* C example that opens a game music file and records 10 seconds to "out.wav" */
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#include "gme/gme.h"
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#include "Wave_Writer.h" /* wave_ functions for writing sound file */
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#include <stdlib.h>
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#include <stdio.h>
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void handle_error( const char* str );
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int main(int argc, char *argv[])
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{
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const char *filename = "test.nsf"; /* Default file to open */
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if ( argc >= 2 )
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filename = argv[1];
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long sample_rate = 44100; /* number of samples per second */
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/* index of track to play (0 = first) */
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int track = argc >= 3 ? atoi(argv[2]) : 0;
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/* Open music file in new emulator */
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Music_Emu* emu;
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handle_error( gme_open_file( filename, &emu, sample_rate ) );
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/* Start track */
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handle_error( gme_start_track( emu, track ) );
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/* Begin writing to wave file */
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wave_open( sample_rate, "out.wav" );
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wave_enable_stereo();
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/* Record 10 seconds of track */
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while ( gme_tell( emu ) < 10 * 1000L )
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{
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/* Sample buffer */
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#define buf_size 1024 /* can be any multiple of 2 */
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short buf [buf_size];
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/* Fill sample buffer */
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handle_error( gme_play( emu, buf_size, buf ) );
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/* Write samples to wave file */
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wave_write( buf, buf_size );
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}
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/* Cleanup */
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gme_delete( emu );
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wave_close();
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return 0;
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}
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void handle_error( const char* str )
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{
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if ( str )
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{
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printf( "Error: %s\n", str ); getchar();
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exit( EXIT_FAILURE );
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}
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}
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