static void
vtx_free (DB_fileinfo_t *_info) {
// free everything allocated in _init
vtx_info_t *info = (vtx_info_t *)_info;
if (_info) {
if (info->decoder) {
ayemu_vtx_free (info->decoder);
info->decoder = NULL;
}
ayemu_reset (&info->ay);
free (_info);
}
}
void play (const char *filename)
{
ayemu_vtx_t *vtx;
int len;
vtx = ayemu_vtx_load_from_file(filename);
if (!vtx) return;
if (!qflag)
printf(" Title: %s\n Author: %s\n From: %s\n Comment: %s\n Year: %d\n",
vtx->title, vtx->author, vtx->from, vtx->comment, vtx->year);
int audio_bufsize = freq * chans * (bits >> 3) / vtx->playerFreq;
if ((audio_buf = malloc (audio_bufsize)) == NULL) {
fprintf (stderr, "Can't allocate sound buffer\n");
goto free_vtx;
}
ayemu_reset(&ay);
ayemu_set_chip_type(&ay, vtx->chiptype, NULL);
ayemu_set_chip_freq(&ay, vtx->chipFreq);
ayemu_set_stereo(&ay, vtx->stereo, NULL);
size_t pos = 0;
while (pos++ < vtx->frames) {
ayemu_vtx_getframe (vtx, pos, regs);
ayemu_set_regs (&ay, regs);
ayemu_gen_sound (&ay, audio_buf, audio_bufsize);
if ((len = write(audio_fd, audio_buf, audio_bufsize)) == -1) {
fprintf (stderr, "Error writting to sound device, break.\n");
break;
}
}
free_vtx:
ayemu_vtx_free(vtx);
}
