void process_midi(size_t frame, uint8_t ev[3])
{
if (ev[0] == 0xb0 && ev[1] == 0x7f) { // controller no. 127
alpha = 1.0f - ev[2] / 127.0f; //-make alpha goes slower when
alpha = 1.0f - alpha * alpha; // reaching 1
comp_alpha = 1.0f - alpha; //-complementary of alpha
printf("alpha = %4.4f", alpha);
if (ev[2] == 0) puts(" original sound");
else if (ev[2] == 0x7f) puts(" complete silence");
else putchar('\n');
}
else if (ev[0] == 0xb0 && ev[1] == 0x7e) { // controller no. 126
note_duration = ev[2] / 31.0f;
printf("len = %2.2f\n", note_duration);
}
else if (ev[0] >= 0x90 && ev[0] <= 0xa0) { // note on in channel 0
sound_select(ev[0] - 0x90);
synth_add(ev[1], note_duration, ev[2] / 127.0f);
printf("note = %2.2x vol %2.2f sound %x\n",
ev[1], ev[2] / 127.0f, ev[0]-0x90);
}
// else printf("unknown: %2.2x: %2.2x(% 3d) %2.2x(% 3d)\n",
// ev[0], ev[1], ev[1], ev[2], ev[2]);
}
static int __init acntpc_init(void)
{
return synth_add(&synth_acntpc);
}
static int __init spkout_init(void)
{
return synth_add(&synth_spkout);
}
static int __init audptr_init(void)
{
return synth_add(&synth_audptr);
}
static int __init decpc_init(void)
{
return synth_add(&synth_dec_pc);
}
static int __init dtlk_init(void)
{
return synth_add(&synth_dtlk);
}
static int __init decext_init(void)
{
return synth_add(&synth_decext);
}
static int __init apollo_init(void)
{
return synth_add(&synth_apollo);
}
static int __init keypc_init(void)
{
return synth_add(&synth_keypc);
}
static int __init txprt_init(void)
{
return synth_add(&synth_txprt);
}
static int __init bns_init(void)
{
return synth_add(&synth_bns);
}
static int __init soft_init(void)
{
return synth_add(&synth_soft);
}
static int __init acntsa_init(void)
{
return synth_add(&synth_acntsa);
}
