JNIEXPORT jint JNICALL Java_org_puredata_core_PdBase_sendFloat
(JNIEnv *env, jclass cls, jstring jrecv, jfloat x) {
if (!jrecv) return -2;
const char *crecv = (char *) (*env)->GetStringUTFChars(env, jrecv, NULL);
pthread_mutex_lock(&mutex);
int err = libpd_float(crecv, x);
pthread_mutex_unlock(&mutex);
(*env)->ReleaseStringUTFChars(env, jrecv, crecv);
return err;
}
int portAudio::initPortAudio() {
//the *hook functions deal with receiving messages from Pd, see https://github.com/libpd/libpd/wiki/libpd
libpd_set_printhook(pdprint);
//libpd_set_noteonhook(pdnoteon);
//libpd_set_floathook(pdfloat);
libpd_init();
libpd_init_audio(2, 2, this->getSampleRate()); //one channel in, one channel out
// compute audio [; pd dsp 1(
libpd_start_message(1); // one entry in list
libpd_add_float(1.0f);
libpd_finish_message("pd", "dsp");
// open patch [; pd open file folder(, the handle is a void*
handle = libpd_openfile("latido.pd","../../Source");
//pass a number to pd, myMessage is a pd receive
libpd_float("myMessage", 10011);
for (int i = 0; i < this->getBlockSize(); i++) {
//intialize buffer, this is probably unnecessary
theBuffer.outbuf[i] = 0;
}
/* Initialize portaudio library before making any other calls. */
err = Pa_Initialize();
if( err != paNoError )
this->sendError(err);
/* Open an portaudio I/O stream. */
err = Pa_OpenDefaultStream( &stream,
1, /* input channels */
2, /* output channels */
paFloat32, /* 32 bit floating point output */
portAudio::getSampleRate(),
portAudio::getBlockSize(), /* frames per buffer */
portAudio::paCallback,
&theBuffer );
if( err != paNoError )
this->sendError(err);
err = Pa_StartStream( stream );
if( err != paNoError )
this->sendError(err);
return err;
}
void PdBase::sendFloat(const std::string& dest, float value) {
libpd_float(dest.c_str(), value);
}
void portAudio::delayOn(bool on) {
float delay = (float)on;
libpd_float("delayOn", delay);
}
void portAudio::updateVolume(double v) {
libpd_float("volume", v);
}
