void audiocb(void *userdata, Uint8 *buf, int len) {
int i;
for(i = 0; i < len; i++) {
buf[i] = interrupthandler();
}
}
void audiocb(void *userdata, Uint8 *buf, int len) {
(void) userdata; /* Unused parameter */
int i;
for(i = 0; i < len; i++) {
buf[i] = interrupthandler();
}
}
int j_process(jack_nframes_t nframes, void *arg){
// grab our output buffer
sample_t *out = (sample_t *) jack_port_get_buffer(output_port, nframes);
// For each required sample
for(jack_nframes_t i=0; i<nframes; i++){
out[i] = (sample_t) interrupthandler();
}
return 0;
}
int main(int argc, char **argv) {
initchip();
initgui();
if(!strcmp("--audio", argv[1])) {
loadfile(argv[2]);
char *pcmname = (argc > 2) ? argv[3] : "audio" ;
FILE *f = fopen(pcmname, "w");
startplaysong(0);
while(playsong) {
u8 res = interrupthandler();
fwrite(&res, 1, 1, f);
}
fclose(f);
} else {
if(argc != 2) {
err(1, "usage: %s <filename>\n", argv[0]);
}
SDL_AudioSpec requested, obtained;
SDL_Init(SDL_INIT_AUDIO);
atexit(SDL_Quit);
requested.freq = 16000;
requested.format = AUDIO_U8;
requested.samples = 256;
requested.callback = audiocb;
requested.channels = 1;
if(SDL_OpenAudio(&requested, &obtained) == -1) {
err(1, "SDL_OpenAudio");
}
fprintf(stderr, "freq %d\n", obtained.freq);
fprintf(stderr, "samples %d\n", obtained.samples);
loadfile(argv[1]);
SDL_PauseAudio(0);
guiloop();
}
return 0;
}