void init() {
PmError err1;
PtError err2;
if (isInit) return;
mexPrintf("Initialising PortMidi\n");
MUTEX_LOCK;
note = malloc(INPUT_BUFFER_SIZE*sizeof(int32_t));
channel = malloc(INPUT_BUFFER_SIZE*sizeof(int32_t));
velocity = malloc(INPUT_BUFFER_SIZE*sizeof(int32_t));
timestamp = malloc(INPUT_BUFFER_SIZE*sizeof(int32_t));
if (!(channel && note && velocity && timestamp)) {
FREE(channel);
FREE(note);
FREE(velocity);
FREE(timestamp);
MUTEX_UNLOCK;
mexErrMsgTxt("Could not allocate memory");
}
else {
MUTEX_UNLOCK;
}
err1 = Pm_Initialize();
reportPmError(err1);
err2 = Pt_Start(1, receive_poll, NULL);
reportPtError(err2);
/* getting here means that PortMidi and PortTime are both fine */
mexAtExit(exitFunction);
isInit = 1;
}
void exitFunction() {
if (isInit) {
mexPrintf("Terminating PortMidi\n");
reportPtError(Pt_Stop());
if (inStream != NULL) {
reportPmError(Pm_Close(inStream));
inStream = NULL;
}
Pm_Terminate();
FREE(channel);
FREE(note);
FREE(velocity);
FREE(timestamp);
isInit = 0;
deviceOpen = -1;
numReceived = 0;
}
}
