Window::Window()
{
ap = new audioProcessor();
ap->setFrameLength(256); // Default vector size for Pd is 64.
// We are calling libpd_process_float with 4 * 64 samples in "audiooutput.c".
// creating our GUI controls
createPureDataControls("Pure Data Controls");
createPortaudioControls(tr("Portaudio Controls"));
QHBoxLayout *layout = new QHBoxLayout;
layout->addWidget(portaudioControlsGroup);
layout->addWidget(pureDataControlsGroup);
setLayout(layout);
libpd_banghook = (t_libpd_banghook) Window::bangpd; // binding the function bangpd to receive bangs from our pd patchers
libpd_printhook = (t_libpd_printhook) Window::printpd; // binding printpd
libpd_init();
libpd_init_audio(0, 2, 44100); // 0 inputs, 2 outputs, we should adjust this (also for portaudio) every time we change the input or output device
// and load a corresponding output patch, in this example it is statically set to 2 outputs and 0 inputs
QString path = QCoreApplication::applicationDirPath();
libpd_openfile("puredata/stereoout.pd", path.toLatin1()); // loading an output patcher with 2 outputs
libpd_openfile("puredata/firstpatcher.pd", path.toLatin1());
libpd_openfile("puredata/secondpatcher.pd", path.toLatin1()); // preloads the playback patchers, dynamically loading patchers seemed a little unstable on os x
libpd_bind("playfinishedfirst"); // binding the pd patcher send "playfinishedfirst" to our libpd_banghook, libpd_printhook etc..
libpd_bind("playfinishedsecond"); // same for the send object "playfinishedsecond"
setWindowTitle(tr("Libpd, Portaudio and Qt Test Project"));
Window::globalWindow = this; // binding a static window to our window object in order to access our instance from bangpd and printpd
}
JNIEXPORT jlong JNICALL Java_org_puredata_core_PdBase_bindSymbol
(JNIEnv *env, jclass cls, jstring jsym) {
if (!jsym) return 0;
const char *csym = (char *) (*env)->GetStringUTFChars(env, jsym, NULL);
pthread_mutex_lock(&mutex);
jlong ptr = (jlong) libpd_bind(csym);
pthread_mutex_unlock(&mutex);
(*env)->ReleaseStringUTFChars(env, jsym, csym);
return ptr;
// very naughty, returning a pointer to Java
// using long integer in case we're on a 64bit CPU
}
//----------------------------------------------------------
void PdBase::subscribe(const std::string& source) {
if(exists(source)) {
cerr << "Pd: unsubscribe: ignoring duplicate source" << endl;
return;
}
void* pointer = libpd_bind(source.c_str());
if(pointer != NULL) {
map<string,void*>& sources = PdContext::instance().sources;
sources.insert(pair<string,void*>(source, pointer));
}
}
